10874020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 23814000

約数和(自身を除く): 12939980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 149, 164, 178, 205, 298, 356, 410, 445, 596, 745, 820, 890, 1490, 1780, 2980, 3649, 6109, 7298, 12218, 13261, 14596, 18245, 24436, 26522, 30545, 36490, 53044, 61090, 66305, 72980, 122180, 132610, 265220, 543701, 1087402, 2174804, 2718505, 5437010, 10874020]

約数ペア:

[(1, 10874020), (2, 5437010), (4, 2718505), (5, 2174804), (10, 1087402), (20, 543701), (41, 265220), (82, 132610), (89, 122180), (149, 72980), (164, 66305), (178, 61090), (205, 53044), (298, 36490), (356, 30545), (410, 26522), (445, 24436), (596, 18245), (745, 14596), (820, 13261), (890, 12218), (1490, 7298), (1780, 6109), (2980, 3649)]