2783406187780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1\times {\mathrm{145207}}^1$

素因数の和:146009

約数の個数: 96

約数和(自身を含む): 6182654607360

約数和(自身を除く): 3399248419580

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 719, 860, 1333, 1438, 2666, 2876, 3595, 5332, 6665, 7190, 13330, 14380, 22289, 26660, 30917, 44578, 61834, 89156, 111445, 123668, 145207, 154585, 222890, 290414, 309170, 445780, 580828, 618340, 726035, 958427, 1452070, 1916854, 2904140, 3833708, 4501417, 4792135, 6243901, 9002834, 9584270, 12487802, 18005668, 19168540, 22507085, 24975604, 31219505, 45014170, 62439010, 90028340, 104403833, 124878020, 193560931, 208807666, 387121862, 417615332, 522019165, 774243724, 967804655, 1044038330, 1935609310, 2088076660, 3236518823, 3871218620, 4489364819, 6473037646, 8978729638, 12946075292, 16182594115, 17957459276, 22446824095, 32365188230, 44893648190, 64730376460, 89787296380, 139170309389, 278340618778, 556681237556, 695851546945, 1391703093890, 2783406187780]

約数ペア:

[(1, 2783406187780), (2, 1391703093890), (4, 695851546945), (5, 556681237556), (10, 278340618778), (20, 139170309389), (31, 89787296380), (43, 64730376460), (62, 44893648190), (86, 32365188230), (124, 22446824095), (155, 17957459276), (172, 16182594115), (215, 12946075292), (310, 8978729638), (430, 6473037646), (620, 4489364819), (719, 3871218620), (860, 3236518823), (1333, 2088076660), (1438, 1935609310), (2666, 1044038330), (2876, 967804655), (3595, 774243724), (5332, 522019165), (6665, 417615332), (7190, 387121862), (13330, 208807666), (14380, 193560931), (22289, 124878020), (26660, 104403833), (30917, 90028340), (44578, 62439010), (61834, 45014170), (89156, 31219505), (111445, 24975604), (123668, 22507085), (145207, 19168540), (154585, 18005668), (222890, 12487802), (290414, 9584270), (309170, 9002834), (445780, 6243901), (580828, 4792135), (618340, 4501417), (726035, 3833708), (958427, 2904140), (1452070, 1916854)]