87690970

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 160218000

約数和(自身を除く): 72527030

約数列:

[1, 2, 5, 10, 149, 229, 257, 298, 458, 514, 745, 1145, 1285, 1490, 2290, 2570, 34121, 38293, 58853, 68242, 76586, 117706, 170605, 191465, 294265, 341210, 382930, 588530, 8769097, 17538194, 43845485, 87690970]

約数ペア:

[(1, 87690970), (2, 43845485), (5, 17538194), (10, 8769097), (149, 588530), (229, 382930), (257, 341210), (298, 294265), (458, 191465), (514, 170605), (745, 117706), (1145, 76586), (1285, 68242), (1490, 58853), (2290, 38293), (2570, 34121)]