289916340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3238

約数の個数: 144

約数和(自身を含む): 975066624

約数和(自身を除く): 685150284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 868, 930, 980, 1085, 1302, 1470, 1519, 1860, 2170, 2604, 2940, 3038, 3181, 3255, 4340, 4557, 6076, 6362, 6510, 7595, 9114, 9543, 12724, 13020, 15190, 15905, 18228, 19086, 22267, 22785, 30380, 31810, 38172, 44534, 45570, 47715, 63620, 66801, 89068, 91140, 95430, 98611, 111335, 133602, 155869, 190860, 197222, 222670, 267204, 295833, 311738, 334005, 394444, 445340, 467607, 493055, 591666, 623476, 668010, 690277, 779345, 935214, 986110, 1183332, 1336020, 1380554, 1479165, 1558690, 1870428, 1972220, 2070831, 2338035, 2761108, 2958330, 3117380, 3451385, 4141662, 4676070, 4831939, 5916660, 6902770, 8283324, 9352140, 9663878, 10354155, 13805540, 14495817, 19327756, 20708310, 24159695, 28991634, 41416620, 48319390, 57983268, 72479085, 96638780, 144958170, 289916340]

約数ペア:

[(1, 289916340), (2, 144958170), (3, 96638780), (4, 72479085), (5, 57983268), (6, 48319390), (7, 41416620), (10, 28991634), (12, 24159695), (14, 20708310), (15, 19327756), (20, 14495817), (21, 13805540), (28, 10354155), (30, 9663878), (31, 9352140), (35, 8283324), (42, 6902770), (49, 5916660), (60, 4831939), (62, 4676070), (70, 4141662), (84, 3451385), (93, 3117380), (98, 2958330), (105, 2761108), (124, 2338035), (140, 2070831), (147, 1972220), (155, 1870428), (186, 1558690), (196, 1479165), (210, 1380554), (217, 1336020), (245, 1183332), (294, 986110), (310, 935214), (372, 779345), (420, 690277), (434, 668010), (465, 623476), (490, 591666), (588, 493055), (620, 467607), (651, 445340), (735, 394444), (868, 334005), (930, 311738), (980, 295833), (1085, 267204), (1302, 222670), (1470, 197222), (1519, 190860), (1860, 155869), (2170, 133602), (2604, 111335), (2940, 98611), (3038, 95430), (3181, 91140), (3255, 89068), (4340, 66801), (4557, 63620), (6076, 47715), (6362, 45570), (6510, 44534), (7595, 38172), (9114, 31810), (9543, 30380), (12724, 22785), (13020, 22267), (15190, 19086), (15905, 18228)]