49681580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 120657600

約数和(自身を除く): 70976020

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 89, 95, 113, 130, 178, 190, 226, 247, 260, 356, 380, 445, 452, 494, 565, 890, 988, 1130, 1157, 1235, 1469, 1691, 1780, 2147, 2260, 2314, 2470, 2938, 3382, 4294, 4628, 4940, 5785, 5876, 6764, 7345, 8455, 8588, 10057, 10735, 11570, 14690, 16910, 20114, 21470, 21983, 23140, 27911, 29380, 33820, 40228, 42940, 43966, 50285, 55822, 87932, 100570, 109915, 111644, 130741, 139555, 191083, 201140, 219830, 261482, 279110, 382166, 439660, 522964, 558220, 653705, 764332, 955415, 1307410, 1910830, 2484079, 2614820, 3821660, 4968158, 9936316, 12420395, 24840790, 49681580]

約数ペア:

[(1, 49681580), (2, 24840790), (4, 12420395), (5, 9936316), (10, 4968158), (13, 3821660), (19, 2614820), (20, 2484079), (26, 1910830), (38, 1307410), (52, 955415), (65, 764332), (76, 653705), (89, 558220), (95, 522964), (113, 439660), (130, 382166), (178, 279110), (190, 261482), (226, 219830), (247, 201140), (260, 191083), (356, 139555), (380, 130741), (445, 111644), (452, 109915), (494, 100570), (565, 87932), (890, 55822), (988, 50285), (1130, 43966), (1157, 42940), (1235, 40228), (1469, 33820), (1691, 29380), (1780, 27911), (2147, 23140), (2260, 21983), (2314, 21470), (2470, 20114), (2938, 16910), (3382, 14690), (4294, 11570), (4628, 10735), (4940, 10057), (5785, 8588), (5876, 8455), (6764, 7345)]