109895620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 251935488

約数和(自身を除く): 142039868

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 361, 380, 491, 589, 620, 722, 982, 1178, 1444, 1805, 1964, 2356, 2455, 2945, 3610, 4910, 5890, 7220, 9329, 9820, 11191, 11780, 15221, 18658, 22382, 30442, 37316, 44764, 46645, 55955, 60884, 76105, 93290, 111910, 152210, 177251, 186580, 223820, 289199, 304420, 354502, 578398, 709004, 886255, 1156796, 1445995, 1772510, 2891990, 3545020, 5494781, 5783980, 10989562, 21979124, 27473905, 54947810, 109895620]

約数ペア:

[(1, 109895620), (2, 54947810), (4, 27473905), (5, 21979124), (10, 10989562), (19, 5783980), (20, 5494781), (31, 3545020), (38, 2891990), (62, 1772510), (76, 1445995), (95, 1156796), (124, 886255), (155, 709004), (190, 578398), (310, 354502), (361, 304420), (380, 289199), (491, 223820), (589, 186580), (620, 177251), (722, 152210), (982, 111910), (1178, 93290), (1444, 76105), (1805, 60884), (1964, 55955), (2356, 46645), (2455, 44764), (2945, 37316), (3610, 30442), (4910, 22382), (5890, 18658), (7220, 15221), (9329, 11780), (9820, 11191)]