105791980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107951}}^1$

素因数の和:107974

約数の個数: 36

約数和(自身を含む): 258437088

約数和(自身を除く): 152645108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 107951, 215902, 431804, 539755, 755657, 1079510, 1511314, 2159020, 3022628, 3778285, 5289599, 7556570, 10579198, 15113140, 21158396, 26447995, 52895990, 105791980]

約数ペア:

[(1, 105791980), (2, 52895990), (4, 26447995), (5, 21158396), (7, 15113140), (10, 10579198), (14, 7556570), (20, 5289599), (28, 3778285), (35, 3022628), (49, 2159020), (70, 1511314), (98, 1079510), (140, 755657), (196, 539755), (245, 431804), (490, 215902), (980, 107951)]