78824630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2857}}^1$

素因数の和:2984

約数の個数: 32

約数和(自身を含む): 148158720

約数和(自身を除く): 69334090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 2857, 5518, 5714, 13795, 14285, 27590, 28570, 88567, 177134, 254273, 442835, 508546, 885670, 1271365, 2542730, 7882463, 15764926, 39412315, 78824630]

約数ペア:

[(1, 78824630), (2, 39412315), (5, 15764926), (10, 7882463), (31, 2542730), (62, 1271365), (89, 885670), (155, 508546), (178, 442835), (310, 254273), (445, 177134), (890, 88567), (2759, 28570), (2857, 27590), (5518, 14285), (5714, 13795)]