281937110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{631}}^1$

素因数の和:1149

約数の個数: 64

約数和(自身を含む): 626863104

約数和(自身を除く): 344925994

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 491, 631, 910, 982, 1262, 2455, 3155, 3437, 4417, 4910, 6310, 6383, 6874, 8203, 8834, 12766, 16406, 17185, 22085, 31915, 34370, 41015, 44170, 44681, 57421, 63830, 82030, 89362, 114842, 223405, 287105, 309821, 446810, 574210, 619642, 1549105, 2168747, 3098210, 4027673, 4337494, 8055346, 10843735, 20138365, 21687470, 28193711, 40276730, 56387422, 140968555, 281937110]

約数ペア:

[(1, 281937110), (2, 140968555), (5, 56387422), (7, 40276730), (10, 28193711), (13, 21687470), (14, 20138365), (26, 10843735), (35, 8055346), (65, 4337494), (70, 4027673), (91, 3098210), (130, 2168747), (182, 1549105), (455, 619642), (491, 574210), (631, 446810), (910, 309821), (982, 287105), (1262, 223405), (2455, 114842), (3155, 89362), (3437, 82030), (4417, 63830), (4910, 57421), (6310, 44681), (6383, 44170), (6874, 41015), (8203, 34370), (8834, 31915), (12766, 22085), (16406, 17185)]