239718830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{20719}}^1$

素因数の和:20828

約数の個数: 32

約数和(自身を含む): 469929600

約数和(自身を除く): 230210770

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 20719, 41438, 103595, 207190, 269347, 538694, 1346735, 1843991, 2693470, 3687982, 9219955, 18439910, 23971883, 47943766, 119859415, 239718830]

約数ペア:

[(1, 239718830), (2, 119859415), (5, 47943766), (10, 23971883), (13, 18439910), (26, 9219955), (65, 3687982), (89, 2693470), (130, 1843991), (178, 1346735), (445, 538694), (890, 269347), (1157, 207190), (2314, 103595), (5785, 41438), (11570, 20719)]