121562140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{761}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 299173392

約数和(自身を除く): 177611252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 490, 652, 761, 815, 980, 1141, 1522, 1630, 2282, 3044, 3260, 3805, 4564, 5327, 5705, 7610, 7987, 10654, 11410, 15220, 15974, 21308, 22820, 26635, 31948, 37289, 39935, 53270, 74578, 79870, 106540, 124043, 149156, 159740, 186445, 248086, 372890, 496172, 620215, 745780, 868301, 1240430, 1736602, 2480860, 3473204, 4341505, 6078107, 8683010, 12156214, 17366020, 24312428, 30390535, 60781070, 121562140]

約数ペア:

[(1, 121562140), (2, 60781070), (4, 30390535), (5, 24312428), (7, 17366020), (10, 12156214), (14, 8683010), (20, 6078107), (28, 4341505), (35, 3473204), (49, 2480860), (70, 1736602), (98, 1240430), (140, 868301), (163, 745780), (196, 620215), (245, 496172), (326, 372890), (490, 248086), (652, 186445), (761, 159740), (815, 149156), (980, 124043), (1141, 106540), (1522, 79870), (1630, 74578), (2282, 53270), (3044, 39935), (3260, 37289), (3805, 31948), (4564, 26635), (5327, 22820), (5705, 21308), (7610, 15974), (7987, 15220), (10654, 11410)]