78739070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 157925376

約数和(自身を除く): 79186306

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 67, 85, 134, 155, 170, 223, 310, 335, 446, 527, 670, 1054, 1115, 1139, 2077, 2230, 2278, 2635, 3791, 4154, 5270, 5695, 6913, 7582, 10385, 11390, 13826, 14941, 18955, 20770, 29882, 34565, 35309, 37910, 69130, 70618, 74705, 117521, 149410, 176545, 235042, 253997, 353090, 463171, 507994, 587605, 926342, 1175210, 1269985, 2315855, 2539970, 4631710, 7873907, 15747814, 39369535, 78739070]

約数ペア:

[(1, 78739070), (2, 39369535), (5, 15747814), (10, 7873907), (17, 4631710), (31, 2539970), (34, 2315855), (62, 1269985), (67, 1175210), (85, 926342), (134, 587605), (155, 507994), (170, 463171), (223, 353090), (310, 253997), (335, 235042), (446, 176545), (527, 149410), (670, 117521), (1054, 74705), (1115, 70618), (1139, 69130), (2077, 37910), (2230, 35309), (2278, 34565), (2635, 29882), (3791, 20770), (4154, 18955), (5270, 14941), (5695, 13826), (6913, 11390), (7582, 10385)]