31879540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 84639744

約数和(自身を除く): 52760204

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 127, 140, 154, 163, 220, 254, 308, 326, 385, 508, 635, 652, 770, 815, 889, 1141, 1270, 1397, 1540, 1630, 1778, 1793, 2282, 2540, 2794, 3260, 3556, 3586, 4445, 4564, 5588, 5705, 6985, 7172, 8890, 8965, 9779, 11410, 12551, 13970, 17780, 17930, 19558, 20701, 22820, 25102, 27940, 35860, 39116, 41402, 48895, 50204, 62755, 82804, 97790, 103505, 125510, 144907, 195580, 207010, 227711, 251020, 289814, 414020, 455422, 579628, 724535, 910844, 1138555, 1449070, 1593977, 2277110, 2898140, 3187954, 4554220, 6375908, 7969885, 15939770, 31879540]

約数ペア:

[(1, 31879540), (2, 15939770), (4, 7969885), (5, 6375908), (7, 4554220), (10, 3187954), (11, 2898140), (14, 2277110), (20, 1593977), (22, 1449070), (28, 1138555), (35, 910844), (44, 724535), (55, 579628), (70, 455422), (77, 414020), (110, 289814), (127, 251020), (140, 227711), (154, 207010), (163, 195580), (220, 144907), (254, 125510), (308, 103505), (326, 97790), (385, 82804), (508, 62755), (635, 50204), (652, 48895), (770, 41402), (815, 39116), (889, 35860), (1141, 27940), (1270, 25102), (1397, 22820), (1540, 20701), (1630, 19558), (1778, 17930), (1793, 17780), (2282, 13970), (2540, 12551), (2794, 11410), (3260, 9779), (3556, 8965), (3586, 8890), (4445, 7172), (4564, 6985), (5588, 5705)]