71628025

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 106243200

約数和(自身を除く): 34615175

約数列:

[1, 5, 7, 25, 35, 41, 67, 149, 175, 205, 287, 335, 469, 745, 1025, 1043, 1435, 1675, 2345, 2747, 3725, 5215, 6109, 7175, 9983, 11725, 13735, 19229, 26075, 30545, 42763, 49915, 68675, 69881, 96145, 152725, 213815, 249575, 349405, 409303, 480725, 1069075, 1747025, 2046515, 2865121, 10232575, 14325605, 71628025]

約数ペア:

[(1, 71628025), (5, 14325605), (7, 10232575), (25, 2865121), (35, 2046515), (41, 1747025), (67, 1069075), (149, 480725), (175, 409303), (205, 349405), (287, 249575), (335, 213815), (469, 152725), (745, 96145), (1025, 69881), (1043, 68675), (1435, 49915), (1675, 42763), (2345, 30545), (2747, 26075), (3725, 19229), (5215, 13735), (6109, 11725), (7175, 9983)]