8490910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 17625600

約数和(自身を除く): 9134690

約数列:

[1, 2, 5, 10, 19, 23, 29, 38, 46, 58, 67, 95, 115, 134, 145, 190, 230, 290, 335, 437, 551, 667, 670, 874, 1102, 1273, 1334, 1541, 1943, 2185, 2546, 2755, 3082, 3335, 3886, 4370, 5510, 6365, 6670, 7705, 9715, 12673, 12730, 15410, 19430, 25346, 29279, 36917, 44689, 58558, 63365, 73834, 89378, 126730, 146395, 184585, 223445, 292790, 369170, 446890, 849091, 1698182, 4245455, 8490910]

約数ペア:

[(1, 8490910), (2, 4245455), (5, 1698182), (10, 849091), (19, 446890), (23, 369170), (29, 292790), (38, 223445), (46, 184585), (58, 146395), (67, 126730), (95, 89378), (115, 73834), (134, 63365), (145, 58558), (190, 44689), (230, 36917), (290, 29279), (335, 25346), (437, 19430), (551, 15410), (667, 12730), (670, 12673), (874, 9715), (1102, 7705), (1273, 6670), (1334, 6365), (1541, 5510), (1943, 4370), (2185, 3886), (2546, 3335), (2755, 3082)]