78826900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 177176160

約数和(自身を除く): 98349260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 107, 139, 212, 214, 265, 278, 428, 530, 535, 556, 695, 1060, 1070, 1325, 1390, 2140, 2650, 2675, 2780, 3475, 5300, 5350, 5671, 6950, 7367, 10700, 11342, 13900, 14734, 14873, 22684, 28355, 29468, 29746, 36835, 56710, 59492, 73670, 74365, 113420, 141775, 147340, 148730, 184175, 283550, 297460, 368350, 371825, 567100, 736700, 743650, 788269, 1487300, 1576538, 3153076, 3941345, 7882690, 15765380, 19706725, 39413450, 78826900]

約数ペア:

[(1, 78826900), (2, 39413450), (4, 19706725), (5, 15765380), (10, 7882690), (20, 3941345), (25, 3153076), (50, 1576538), (53, 1487300), (100, 788269), (106, 743650), (107, 736700), (139, 567100), (212, 371825), (214, 368350), (265, 297460), (278, 283550), (428, 184175), (530, 148730), (535, 147340), (556, 141775), (695, 113420), (1060, 74365), (1070, 73670), (1325, 59492), (1390, 56710), (2140, 36835), (2650, 29746), (2675, 29468), (2780, 28355), (3475, 22684), (5300, 14873), (5350, 14734), (5671, 13900), (6950, 11342), (7367, 10700)]