89376220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:750

約数の個数: 48

約数和(自身を含む): 192362688

約数和(自身を除く): 102986468

約数列:

[1, 2, 4, 5, 10, 20, 71, 113, 142, 226, 284, 355, 452, 557, 565, 710, 1114, 1130, 1420, 2228, 2260, 2785, 5570, 8023, 11140, 16046, 32092, 39547, 40115, 62941, 79094, 80230, 125882, 158188, 160460, 197735, 251764, 314705, 395470, 629410, 790940, 1258820, 4468811, 8937622, 17875244, 22344055, 44688110, 89376220]

約数ペア:

[(1, 89376220), (2, 44688110), (4, 22344055), (5, 17875244), (10, 8937622), (20, 4468811), (71, 1258820), (113, 790940), (142, 629410), (226, 395470), (284, 314705), (355, 251764), (452, 197735), (557, 160460), (565, 158188), (710, 125882), (1114, 80230), (1130, 79094), (1420, 62941), (2228, 40115), (2260, 39547), (2785, 32092), (5570, 16046), (8023, 11140)]