201897640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 531878400

約数和(自身を除く): 329980760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 239, 245, 280, 392, 431, 478, 490, 862, 956, 980, 1195, 1673, 1724, 1912, 1960, 2155, 2390, 3017, 3346, 3448, 4310, 4780, 6034, 6692, 8365, 8620, 9560, 11711, 12068, 13384, 15085, 16730, 17240, 21119, 23422, 24136, 30170, 33460, 42238, 46844, 58555, 60340, 66920, 84476, 93688, 103009, 105595, 117110, 120680, 168952, 206018, 211190, 234220, 412036, 422380, 468440, 515045, 721063, 824072, 844760, 1030090, 1442126, 2060180, 2884252, 3605315, 4120360, 5047441, 5768504, 7210630, 10094882, 14421260, 20189764, 25237205, 28842520, 40379528, 50474410, 100948820, 201897640]

約数ペア:

[(1, 201897640), (2, 100948820), (4, 50474410), (5, 40379528), (7, 28842520), (8, 25237205), (10, 20189764), (14, 14421260), (20, 10094882), (28, 7210630), (35, 5768504), (40, 5047441), (49, 4120360), (56, 3605315), (70, 2884252), (98, 2060180), (140, 1442126), (196, 1030090), (239, 844760), (245, 824072), (280, 721063), (392, 515045), (431, 468440), (478, 422380), (490, 412036), (862, 234220), (956, 211190), (980, 206018), (1195, 168952), (1673, 120680), (1724, 117110), (1912, 105595), (1960, 103009), (2155, 93688), (2390, 84476), (3017, 66920), (3346, 60340), (3448, 58555), (4310, 46844), (4780, 42238), (6034, 33460), (6692, 30170), (8365, 24136), (8620, 23422), (9560, 21119), (11711, 17240), (12068, 16730), (13384, 15085)]