99989260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23039}}^1$

素因数の和:23086

約数の個数: 48

約数和(自身を含む): 247726080

約数和(自身を除く): 147736820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 23039, 46078, 92156, 115195, 161273, 230390, 322546, 460780, 645092, 714209, 806365, 1428418, 1612730, 2856836, 3225460, 3571045, 4999463, 7142090, 9998926, 14284180, 19997852, 24997315, 49994630, 99989260]

約数ペア:

[(1, 99989260), (2, 49994630), (4, 24997315), (5, 19997852), (7, 14284180), (10, 9998926), (14, 7142090), (20, 4999463), (28, 3571045), (31, 3225460), (35, 2856836), (62, 1612730), (70, 1428418), (124, 806365), (140, 714209), (155, 645092), (217, 460780), (310, 322546), (434, 230390), (620, 161273), (868, 115195), (1085, 92156), (2170, 46078), (4340, 23039)]