220649390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{9811}}^1$

素因数の和:10004

約数の個数: 32

約数和(自身を含む): 430236576

約数和(自身を除く): 209587186

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 4498, 9811, 11245, 19622, 22490, 49055, 98110, 127543, 255086, 637715, 1275430, 1697303, 3394606, 8486515, 16973030, 22064939, 44129878, 110324695, 220649390]

約数ペア:

[(1, 220649390), (2, 110324695), (5, 44129878), (10, 22064939), (13, 16973030), (26, 8486515), (65, 3394606), (130, 1697303), (173, 1275430), (346, 637715), (865, 255086), (1730, 127543), (2249, 98110), (4498, 49055), (9811, 22490), (11245, 19622)]