472681820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{823}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 1093543584

約数和(自身を除く): 620861764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 823, 940, 1222, 1646, 2209, 2444, 3055, 3292, 4115, 4418, 6110, 8230, 8836, 10699, 11045, 12220, 16460, 21398, 22090, 28717, 38681, 42796, 44180, 53495, 57434, 77362, 106990, 114868, 143585, 154724, 193405, 213980, 287170, 386810, 502853, 574340, 773620, 1005706, 1818007, 2011412, 2514265, 3636014, 5028530, 7272028, 9090035, 10057060, 18180070, 23634091, 36360140, 47268182, 94536364, 118170455, 236340910, 472681820]

約数ペア:

[(1, 472681820), (2, 236340910), (4, 118170455), (5, 94536364), (10, 47268182), (13, 36360140), (20, 23634091), (26, 18180070), (47, 10057060), (52, 9090035), (65, 7272028), (94, 5028530), (130, 3636014), (188, 2514265), (235, 2011412), (260, 1818007), (470, 1005706), (611, 773620), (823, 574340), (940, 502853), (1222, 386810), (1646, 287170), (2209, 213980), (2444, 193405), (3055, 154724), (3292, 143585), (4115, 114868), (4418, 106990), (6110, 77362), (8230, 57434), (8836, 53495), (10699, 44180), (11045, 42796), (12220, 38681), (16460, 28717), (21398, 22090)]