8997830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 18662400

約数和(自身を除く): 9664570

約数列:

[1, 2, 5, 10, 19, 23, 29, 38, 46, 58, 71, 95, 115, 142, 145, 190, 230, 290, 355, 437, 551, 667, 710, 874, 1102, 1334, 1349, 1633, 2059, 2185, 2698, 2755, 3266, 3335, 4118, 4370, 5510, 6670, 6745, 8165, 10295, 12673, 13490, 16330, 20590, 25346, 31027, 39121, 47357, 62054, 63365, 78242, 94714, 126730, 155135, 195605, 236785, 310270, 391210, 473570, 899783, 1799566, 4498915, 8997830]

約数ペア:

[(1, 8997830), (2, 4498915), (5, 1799566), (10, 899783), (19, 473570), (23, 391210), (29, 310270), (38, 236785), (46, 195605), (58, 155135), (71, 126730), (95, 94714), (115, 78242), (142, 63365), (145, 62054), (190, 47357), (230, 39121), (290, 31027), (355, 25346), (437, 20590), (551, 16330), (667, 13490), (710, 12673), (874, 10295), (1102, 8165), (1334, 6745), (1349, 6670), (1633, 5510), (2059, 4370), (2185, 4118), (2698, 3335), (2755, 3266)]