22209940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 48762000

約数和(自身を除く): 26552060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 149, 257, 290, 298, 514, 580, 596, 745, 1028, 1285, 1490, 2570, 2980, 4321, 5140, 7453, 8642, 14906, 17284, 21605, 29812, 37265, 38293, 43210, 74530, 76586, 86420, 149060, 153172, 191465, 382930, 765860, 1110497, 2220994, 4441988, 5552485, 11104970, 22209940]

約数ペア:

[(1, 22209940), (2, 11104970), (4, 5552485), (5, 4441988), (10, 2220994), (20, 1110497), (29, 765860), (58, 382930), (116, 191465), (145, 153172), (149, 149060), (257, 86420), (290, 76586), (298, 74530), (514, 43210), (580, 38293), (596, 37265), (745, 29812), (1028, 21605), (1285, 17284), (1490, 14906), (2570, 8642), (2980, 7453), (4321, 5140)]