5421980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 12410496

約数和(自身を除く): 6988516

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 431, 629, 740, 862, 1258, 1724, 2155, 2516, 3145, 4310, 6290, 7327, 8620, 12580, 14654, 15947, 29308, 31894, 36635, 63788, 73270, 79735, 146540, 159470, 271099, 318940, 542198, 1084396, 1355495, 2710990, 5421980]

約数ペア:

[(1, 5421980), (2, 2710990), (4, 1355495), (5, 1084396), (10, 542198), (17, 318940), (20, 271099), (34, 159470), (37, 146540), (68, 79735), (74, 73270), (85, 63788), (148, 36635), (170, 31894), (185, 29308), (340, 15947), (370, 14654), (431, 12580), (629, 8620), (740, 7327), (862, 6290), (1258, 4310), (1724, 3145), (2155, 2516)]