142457875

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 220057344

約数和(自身を除く): 77599469

約数列:

[1, 5, 7, 17, 25, 35, 61, 85, 119, 125, 157, 175, 305, 425, 427, 595, 785, 875, 1037, 1099, 1525, 2125, 2135, 2669, 2975, 3925, 5185, 5495, 7259, 7625, 9577, 10675, 13345, 14875, 18683, 19625, 25925, 27475, 36295, 47885, 53375, 66725, 67039, 93415, 129625, 137375, 162809, 181475, 239425, 333625, 335195, 467075, 814045, 907375, 1139663, 1197125, 1675975, 2335375, 4070225, 5698315, 8379875, 20351125, 28491575, 142457875]

約数ペア:

[(1, 142457875), (5, 28491575), (7, 20351125), (17, 8379875), (25, 5698315), (35, 4070225), (61, 2335375), (85, 1675975), (119, 1197125), (125, 1139663), (157, 907375), (175, 814045), (305, 467075), (425, 335195), (427, 333625), (595, 239425), (785, 181475), (875, 162809), (1037, 137375), (1099, 129625), (1525, 93415), (2125, 67039), (2135, 66725), (2669, 53375), (2975, 47885), (3925, 36295), (5185, 27475), (5495, 25925), (7259, 19625), (7625, 18683), (9577, 14875), (10675, 13345)]