400287420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:346

約数の個数: 240

約数和(自身を含む): 1374579360

約数和(自身を除く): 974291940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 83, 90, 108, 117, 130, 135, 156, 162, 166, 180, 195, 229, 234, 249, 260, 270, 324, 332, 351, 390, 405, 415, 458, 468, 498, 540, 585, 687, 702, 747, 780, 810, 830, 916, 996, 1053, 1079, 1145, 1170, 1245, 1374, 1404, 1494, 1620, 1660, 1755, 2061, 2106, 2158, 2241, 2290, 2340, 2490, 2748, 2977, 2988, 3237, 3435, 3510, 3735, 4122, 4212, 4316, 4482, 4580, 4980, 5265, 5395, 5954, 6183, 6474, 6723, 6870, 7020, 7470, 8244, 8931, 8964, 9711, 10305, 10530, 10790, 11205, 11908, 12366, 12948, 13446, 13740, 14885, 14940, 16185, 17862, 18549, 19007, 19422, 20610, 21060, 21580, 22410, 24732, 26793, 26892, 29133, 29770, 30915, 32370, 33615, 35724, 37098, 38014, 38844, 41220, 44655, 44820, 48555, 53586, 57021, 58266, 59540, 61830, 64740, 67230, 74196, 76028, 80379, 87399, 89310, 92745, 95035, 97110, 107172, 114042, 116532, 123660, 133965, 134460, 145665, 160758, 171063, 174798, 178620, 185490, 190070, 194220, 228084, 241137, 247091, 267930, 285105, 291330, 321516, 342126, 349596, 370980, 380140, 401895, 436995, 482274, 494182, 513189, 535860, 570210, 582660, 684252, 741273, 803790, 855315, 873990, 964548, 988364, 1026378, 1140420, 1205685, 1235455, 1482546, 1539567, 1607580, 1710630, 1747980, 2052756, 2223819, 2411370, 2470910, 2565945, 2965092, 3079134, 3421260, 3706365, 4447638, 4822740, 4941820, 5131890, 6158268, 6671457, 7412730, 7697835, 8895276, 10263780, 11119095, 13342914, 14825460, 15395670, 20014371, 22238190, 26685828, 30791340, 33357285, 40028742, 44476380, 66714570, 80057484, 100071855, 133429140, 200143710, 400287420]

約数ペア:

[(1, 400287420), (2, 200143710), (3, 133429140), (4, 100071855), (5, 80057484), (6, 66714570), (9, 44476380), (10, 40028742), (12, 33357285), (13, 30791340), (15, 26685828), (18, 22238190), (20, 20014371), (26, 15395670), (27, 14825460), (30, 13342914), (36, 11119095), (39, 10263780), (45, 8895276), (52, 7697835), (54, 7412730), (60, 6671457), (65, 6158268), (78, 5131890), (81, 4941820), (83, 4822740), (90, 4447638), (108, 3706365), (117, 3421260), (130, 3079134), (135, 2965092), (156, 2565945), (162, 2470910), (166, 2411370), (180, 2223819), (195, 2052756), (229, 1747980), (234, 1710630), (249, 1607580), (260, 1539567), (270, 1482546), (324, 1235455), (332, 1205685), (351, 1140420), (390, 1026378), (405, 988364), (415, 964548), (458, 873990), (468, 855315), (498, 803790), (540, 741273), (585, 684252), (687, 582660), (702, 570210), (747, 535860), (780, 513189), (810, 494182), (830, 482274), (916, 436995), (996, 401895), (1053, 380140), (1079, 370980), (1145, 349596), (1170, 342126), (1245, 321516), (1374, 291330), (1404, 285105), (1494, 267930), (1620, 247091), (1660, 241137), (1755, 228084), (2061, 194220), (2106, 190070), (2158, 185490), (2241, 178620), (2290, 174798), (2340, 171063), (2490, 160758), (2748, 145665), (2977, 134460), (2988, 133965), (3237, 123660), (3435, 116532), (3510, 114042), (3735, 107172), (4122, 97110), (4212, 95035), (4316, 92745), (4482, 89310), (4580, 87399), (4980, 80379), (5265, 76028), (5395, 74196), (5954, 67230), (6183, 64740), (6474, 61830), (6723, 59540), (6870, 58266), (7020, 57021), (7470, 53586), (8244, 48555), (8931, 44820), (8964, 44655), (9711, 41220), (10305, 38844), (10530, 38014), (10790, 37098), (11205, 35724), (11908, 33615), (12366, 32370), (12948, 30915), (13446, 29770), (13740, 29133), (14885, 26892), (14940, 26793), (16185, 24732), (17862, 22410), (18549, 21580), (19007, 21060), (19422, 20610)]