78840100

素因数分解:

$2^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{6977}}^1$

素因数の和:7104

約数の個数: 36

約数和(自身を含む): 172621764

約数和(自身を除く): 93781664

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 113, 226, 452, 565, 1130, 2260, 2825, 5650, 6977, 11300, 13954, 27908, 34885, 69770, 139540, 174425, 348850, 697700, 788401, 1576802, 3153604, 3942005, 7884010, 15768020, 19710025, 39420050, 78840100]

約数ペア:

[(1, 78840100), (2, 39420050), (4, 19710025), (5, 15768020), (10, 7884010), (20, 3942005), (25, 3153604), (50, 1576802), (100, 788401), (113, 697700), (226, 348850), (452, 174425), (565, 139540), (1130, 69770), (2260, 34885), (2825, 27908), (5650, 13954), (6977, 11300)]