31209970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 65577600

約数和(自身を除く): 34367630

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 109, 110, 137, 190, 209, 218, 274, 418, 545, 685, 1045, 1090, 1199, 1370, 1507, 2071, 2090, 2398, 2603, 3014, 4142, 5206, 5995, 7535, 10355, 11990, 13015, 14933, 15070, 20710, 22781, 26030, 28633, 29866, 45562, 57266, 74665, 113905, 143165, 149330, 164263, 227810, 283727, 286330, 328526, 567454, 821315, 1418635, 1642630, 2837270, 3120997, 6241994, 15604985, 31209970]

約数ペア:

[(1, 31209970), (2, 15604985), (5, 6241994), (10, 3120997), (11, 2837270), (19, 1642630), (22, 1418635), (38, 821315), (55, 567454), (95, 328526), (109, 286330), (110, 283727), (137, 227810), (190, 164263), (209, 149330), (218, 143165), (274, 113905), (418, 74665), (545, 57266), (685, 45562), (1045, 29866), (1090, 28633), (1199, 26030), (1370, 22781), (1507, 20710), (2071, 15070), (2090, 14933), (2398, 13015), (2603, 11990), (3014, 10355), (4142, 7535), (5206, 5995)]