74818125

素因数分解:

$3^2\times 5^4\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 60

約数和(自身を含む): 138405696

約数和(自身を除く): 63587571

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 125, 141, 225, 235, 283, 375, 423, 625, 705, 849, 1125, 1175, 1415, 1875, 2115, 2547, 3525, 4245, 5625, 5875, 7075, 10575, 12735, 13301, 17625, 21225, 29375, 35375, 39903, 52875, 63675, 66505, 88125, 106125, 119709, 176875, 199515, 264375, 318375, 332525, 530625, 598545, 997575, 1591875, 1662625, 2992725, 4987875, 8313125, 14963625, 24939375, 74818125]

約数ペア:

[(1, 74818125), (3, 24939375), (5, 14963625), (9, 8313125), (15, 4987875), (25, 2992725), (45, 1662625), (47, 1591875), (75, 997575), (125, 598545), (141, 530625), (225, 332525), (235, 318375), (283, 264375), (375, 199515), (423, 176875), (625, 119709), (705, 106125), (849, 88125), (1125, 66505), (1175, 63675), (1415, 52875), (1875, 39903), (2115, 35375), (2547, 29375), (3525, 21225), (4245, 17625), (5625, 13301), (5875, 12735), (7075, 10575)]