31410440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 64

約数和(自身を含む): 74165760

約数和(自身を除く): 42755320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 347, 365, 584, 620, 694, 730, 1240, 1388, 1460, 1735, 2263, 2776, 2920, 3470, 4526, 6940, 9052, 10757, 11315, 13880, 18104, 21514, 22630, 25331, 43028, 45260, 50662, 53785, 86056, 90520, 101324, 107570, 126655, 202648, 215140, 253310, 430280, 506620, 785261, 1013240, 1570522, 3141044, 3926305, 6282088, 7852610, 15705220, 31410440]

約数ペア:

[(1, 31410440), (2, 15705220), (4, 7852610), (5, 6282088), (8, 3926305), (10, 3141044), (20, 1570522), (31, 1013240), (40, 785261), (62, 506620), (73, 430280), (124, 253310), (146, 215140), (155, 202648), (248, 126655), (292, 107570), (310, 101324), (347, 90520), (365, 86056), (584, 53785), (620, 50662), (694, 45260), (730, 43028), (1240, 25331), (1388, 22630), (1460, 21514), (1735, 18104), (2263, 13880), (2776, 11315), (2920, 10757), (3470, 9052), (4526, 6940)]