279955025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{313}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 420508800

約数和(自身を除く): 140553775

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 269, 313, 475, 665, 1345, 1565, 1883, 2191, 3325, 5111, 5947, 6725, 7825, 9415, 10955, 25555, 29735, 35777, 41629, 47075, 54775, 84197, 127775, 148675, 178885, 208145, 420985, 589379, 894425, 1040725, 1599743, 2104925, 2946895, 7998715, 11198201, 14734475, 39993575, 55991005, 279955025]

約数ペア:

[(1, 279955025), (5, 55991005), (7, 39993575), (19, 14734475), (25, 11198201), (35, 7998715), (95, 2946895), (133, 2104925), (175, 1599743), (269, 1040725), (313, 894425), (475, 589379), (665, 420985), (1345, 208145), (1565, 178885), (1883, 148675), (2191, 127775), (3325, 84197), (5111, 54775), (5947, 47075), (6725, 41629), (7825, 35777), (9415, 29735), (10955, 25555)]