290416620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1871}}^1$

素因数の和:2095

約数の個数: 96

約数和(自身を含む): 880588800

約数和(自身を除く): 590172180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 597, 780, 796, 995, 1194, 1871, 1990, 2388, 2587, 2985, 3742, 3980, 5174, 5613, 5970, 7484, 7761, 9355, 10348, 11226, 11940, 12935, 15522, 18710, 22452, 24323, 25870, 28065, 31044, 37420, 38805, 48646, 51740, 56130, 72969, 77610, 97292, 112260, 121615, 145938, 155220, 243230, 291876, 364845, 372329, 486460, 729690, 744658, 1116987, 1459380, 1489316, 1861645, 2233974, 3723290, 4467948, 4840277, 5584935, 7446580, 9680554, 11169870, 14520831, 19361108, 22339740, 24201385, 29041662, 48402770, 58083324, 72604155, 96805540, 145208310, 290416620]

約数ペア:

[(1, 290416620), (2, 145208310), (3, 96805540), (4, 72604155), (5, 58083324), (6, 48402770), (10, 29041662), (12, 24201385), (13, 22339740), (15, 19361108), (20, 14520831), (26, 11169870), (30, 9680554), (39, 7446580), (52, 5584935), (60, 4840277), (65, 4467948), (78, 3723290), (130, 2233974), (156, 1861645), (195, 1489316), (199, 1459380), (260, 1116987), (390, 744658), (398, 729690), (597, 486460), (780, 372329), (796, 364845), (995, 291876), (1194, 243230), (1871, 155220), (1990, 145938), (2388, 121615), (2587, 112260), (2985, 97292), (3742, 77610), (3980, 72969), (5174, 56130), (5613, 51740), (5970, 48646), (7484, 38805), (7761, 37420), (9355, 31044), (10348, 28065), (11226, 25870), (11940, 24323), (12935, 22452), (15522, 18710)]