153934375

素因数分解:

$5^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 227985408

約数和(自身を除く): 74051033

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 227, 625, 775, 875, 1085, 1135, 1589, 3125, 3875, 4375, 5425, 5675, 7037, 7945, 19375, 21875, 27125, 28375, 35185, 39725, 49259, 96875, 135625, 141875, 175925, 198625, 246295, 678125, 709375, 879625, 993125, 1231475, 4398125, 4965625, 6157375, 21990625, 30786875, 153934375]

約数ペア:

[(1, 153934375), (5, 30786875), (7, 21990625), (25, 6157375), (31, 4965625), (35, 4398125), (125, 1231475), (155, 993125), (175, 879625), (217, 709375), (227, 678125), (625, 246295), (775, 198625), (875, 175925), (1085, 141875), (1135, 135625), (1589, 96875), (3125, 49259), (3875, 39725), (4375, 35185), (5425, 28375), (5675, 27125), (7037, 21875), (7945, 19375)]