7131909980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{3463}}^1$

素因数の和:3663

約数の個数: 72

約数和(自身を含む): 16317061152

約数和(自身を除く): 9185151172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 3463, 4628, 5785, 6926, 7921, 11570, 13852, 15842, 17315, 23140, 31684, 34630, 39605, 45019, 69260, 79210, 90038, 102973, 158420, 180076, 205946, 225095, 308207, 411892, 450190, 514865, 616414, 900380, 1029730, 1232828, 1541035, 2059460, 3082070, 4006691, 6164140, 8013382, 16026764, 20033455, 27430423, 40066910, 54860846, 80133820, 109721692, 137152115, 274304230, 356595499, 548608460, 713190998, 1426381996, 1782977495, 3565954990, 7131909980]

約数ペア:

[(1, 7131909980), (2, 3565954990), (4, 1782977495), (5, 1426381996), (10, 713190998), (13, 548608460), (20, 356595499), (26, 274304230), (52, 137152115), (65, 109721692), (89, 80133820), (130, 54860846), (178, 40066910), (260, 27430423), (356, 20033455), (445, 16026764), (890, 8013382), (1157, 6164140), (1780, 4006691), (2314, 3082070), (3463, 2059460), (4628, 1541035), (5785, 1232828), (6926, 1029730), (7921, 900380), (11570, 616414), (13852, 514865), (15842, 450190), (17315, 411892), (23140, 308207), (31684, 225095), (34630, 205946), (39605, 180076), (45019, 158420), (69260, 102973), (79210, 90038)]