78229480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 206841600

約数和(自身を除く): 128612120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 167, 196, 239, 245, 280, 334, 392, 478, 490, 668, 835, 956, 980, 1169, 1195, 1336, 1670, 1673, 1912, 1960, 2338, 2390, 3340, 3346, 4676, 4780, 5845, 6680, 6692, 8183, 8365, 9352, 9560, 11690, 11711, 13384, 16366, 16730, 23380, 23422, 32732, 33460, 39913, 40915, 46760, 46844, 58555, 65464, 66920, 79826, 81830, 93688, 117110, 159652, 163660, 199565, 234220, 279391, 319304, 327320, 399130, 468440, 558782, 798260, 1117564, 1396955, 1596520, 1955737, 2235128, 2793910, 3911474, 5587820, 7822948, 9778685, 11175640, 15645896, 19557370, 39114740, 78229480]

約数ペア:

[(1, 78229480), (2, 39114740), (4, 19557370), (5, 15645896), (7, 11175640), (8, 9778685), (10, 7822948), (14, 5587820), (20, 3911474), (28, 2793910), (35, 2235128), (40, 1955737), (49, 1596520), (56, 1396955), (70, 1117564), (98, 798260), (140, 558782), (167, 468440), (196, 399130), (239, 327320), (245, 319304), (280, 279391), (334, 234220), (392, 199565), (478, 163660), (490, 159652), (668, 117110), (835, 93688), (956, 81830), (980, 79826), (1169, 66920), (1195, 65464), (1336, 58555), (1670, 46844), (1673, 46760), (1912, 40915), (1960, 39913), (2338, 33460), (2390, 32732), (3340, 23422), (3346, 23380), (4676, 16730), (4780, 16366), (5845, 13384), (6680, 11711), (6692, 11690), (8183, 9560), (8365, 9352)]