204897420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1787}}^1$

素因数の和:1829

約数の個数: 216

約数和(自身を含む): 779045904

約数和(自身を除く): 574148484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 49, 52, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 117, 126, 130, 140, 147, 156, 180, 182, 195, 196, 210, 234, 245, 252, 260, 273, 294, 315, 364, 390, 420, 441, 455, 468, 490, 546, 585, 588, 630, 637, 735, 780, 819, 882, 910, 980, 1092, 1170, 1260, 1274, 1365, 1470, 1638, 1764, 1787, 1820, 1911, 2205, 2340, 2548, 2730, 2940, 3185, 3276, 3574, 3822, 4095, 4410, 5361, 5460, 5733, 6370, 7148, 7644, 8190, 8820, 8935, 9555, 10722, 11466, 12509, 12740, 16083, 16380, 17870, 19110, 21444, 22932, 23231, 25018, 26805, 28665, 32166, 35740, 37527, 38220, 46462, 50036, 53610, 57330, 62545, 64332, 69693, 75054, 80415, 87563, 92924, 107220, 112581, 114660, 116155, 125090, 139386, 150108, 160830, 162617, 175126, 187635, 209079, 225162, 232310, 250180, 262689, 278772, 321660, 325234, 348465, 350252, 375270, 418158, 437815, 450324, 464620, 487851, 525378, 562905, 650468, 696930, 750540, 788067, 813085, 836316, 875630, 975702, 1045395, 1050756, 1125810, 1138319, 1313445, 1393860, 1463553, 1576134, 1626170, 1751260, 1951404, 2090790, 2251620, 2276638, 2439255, 2626890, 2927106, 3152268, 3252340, 3414957, 3940335, 4181580, 4553276, 4878510, 5253780, 5691595, 5854212, 6829914, 7317765, 7880670, 9757020, 10244871, 11383190, 13659828, 14635530, 15761340, 17074785, 20489742, 22766380, 29271060, 34149570, 40979484, 51224355, 68299140, 102448710, 204897420]

約数ペア:

[(1, 204897420), (2, 102448710), (3, 68299140), (4, 51224355), (5, 40979484), (6, 34149570), (7, 29271060), (9, 22766380), (10, 20489742), (12, 17074785), (13, 15761340), (14, 14635530), (15, 13659828), (18, 11383190), (20, 10244871), (21, 9757020), (26, 7880670), (28, 7317765), (30, 6829914), (35, 5854212), (36, 5691595), (39, 5253780), (42, 4878510), (45, 4553276), (49, 4181580), (52, 3940335), (60, 3414957), (63, 3252340), (65, 3152268), (70, 2927106), (78, 2626890), (84, 2439255), (90, 2276638), (91, 2251620), (98, 2090790), (105, 1951404), (117, 1751260), (126, 1626170), (130, 1576134), (140, 1463553), (147, 1393860), (156, 1313445), (180, 1138319), (182, 1125810), (195, 1050756), (196, 1045395), (210, 975702), (234, 875630), (245, 836316), (252, 813085), (260, 788067), (273, 750540), (294, 696930), (315, 650468), (364, 562905), (390, 525378), (420, 487851), (441, 464620), (455, 450324), (468, 437815), (490, 418158), (546, 375270), (585, 350252), (588, 348465), (630, 325234), (637, 321660), (735, 278772), (780, 262689), (819, 250180), (882, 232310), (910, 225162), (980, 209079), (1092, 187635), (1170, 175126), (1260, 162617), (1274, 160830), (1365, 150108), (1470, 139386), (1638, 125090), (1764, 116155), (1787, 114660), (1820, 112581), (1911, 107220), (2205, 92924), (2340, 87563), (2548, 80415), (2730, 75054), (2940, 69693), (3185, 64332), (3276, 62545), (3574, 57330), (3822, 53610), (4095, 50036), (4410, 46462), (5361, 38220), (5460, 37527), (5733, 35740), (6370, 32166), (7148, 28665), (7644, 26805), (8190, 25018), (8820, 23231), (8935, 22932), (9555, 21444), (10722, 19110), (11466, 17870), (12509, 16380), (12740, 16083)]