31315770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{997}}^1$

素因数の和:1359

約数の個数: 48

約数和(自身を含む): 81736200

約数和(自身を除く): 50420430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 349, 698, 997, 1047, 1745, 1994, 2094, 2991, 3141, 3490, 4985, 5235, 5982, 6282, 8973, 9970, 10470, 14955, 15705, 17946, 29910, 31410, 44865, 89730, 347953, 695906, 1043859, 1739765, 2087718, 3131577, 3479530, 5219295, 6263154, 10438590, 15657885, 31315770]

約数ペア:

[(1, 31315770), (2, 15657885), (3, 10438590), (5, 6263154), (6, 5219295), (9, 3479530), (10, 3131577), (15, 2087718), (18, 1739765), (30, 1043859), (45, 695906), (90, 347953), (349, 89730), (698, 44865), (997, 31410), (1047, 29910), (1745, 17946), (1994, 15705), (2094, 14955), (2991, 10470), (3141, 9970), (3490, 8973), (4985, 6282), (5235, 5982)]