68402740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15761}}^1$

素因数の和:15808

約数の個数: 48

約数和(自身を含む): 169473024

約数和(自身を除く): 101070284

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, 15761, 31522, 63044, 78805, 110327, 157610, 220654, 315220, 441308, 488591, 551635, 977182, 1103270, 1954364, 2206540, 2442955, 3420137, 4885910, 6840274, 9771820, 13680548, 17100685, 34201370, 68402740]

約数ペア:

[(1, 68402740), (2, 34201370), (4, 17100685), (5, 13680548), (7, 9771820), (10, 6840274), (14, 4885910), (20, 3420137), (28, 2442955), (31, 2206540), (35, 1954364), (62, 1103270), (70, 977182), (124, 551635), (140, 488591), (155, 441308), (217, 315220), (310, 220654), (434, 157610), (620, 110327), (868, 78805), (1085, 63044), (2170, 31522), (4340, 15761)]