28950492020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1\times {\mathrm{36061}}^1$

素因数の和:36500

約数の個数: 48

約数和(自身を含む): 61450513488

約数和(自身を除く): 32500021468

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 293, 548, 586, 685, 1172, 1370, 1465, 2740, 2930, 5860, 36061, 40141, 72122, 80282, 144244, 160564, 180305, 200705, 360610, 401410, 721220, 802820, 4940357, 9880714, 10565873, 19761428, 21131746, 24701785, 42263492, 49403570, 52829365, 98807140, 105658730, 211317460, 1447524601, 2895049202, 5790098404, 7237623005, 14475246010, 28950492020]

約数ペア:

[(1, 28950492020), (2, 14475246010), (4, 7237623005), (5, 5790098404), (10, 2895049202), (20, 1447524601), (137, 211317460), (274, 105658730), (293, 98807140), (548, 52829365), (586, 49403570), (685, 42263492), (1172, 24701785), (1370, 21131746), (1465, 19761428), (2740, 10565873), (2930, 9880714), (5860, 4940357), (36061, 802820), (40141, 721220), (72122, 401410), (80282, 360610), (144244, 200705), (160564, 180305)]