260810690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 550706688

約数和(自身を除く): 289895998

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 97, 142, 194, 355, 485, 497, 541, 679, 710, 970, 994, 1082, 1358, 2485, 2705, 3395, 3787, 4970, 5410, 6790, 6887, 7574, 13774, 18935, 34435, 37870, 38411, 48209, 52477, 68870, 76822, 96418, 104954, 192055, 241045, 262385, 268877, 367339, 384110, 482090, 524770, 537754, 734678, 1344385, 1836695, 2688770, 3673390, 3725867, 7451734, 18629335, 26081069, 37258670, 52162138, 130405345, 260810690]

約数ペア:

[(1, 260810690), (2, 130405345), (5, 52162138), (7, 37258670), (10, 26081069), (14, 18629335), (35, 7451734), (70, 3725867), (71, 3673390), (97, 2688770), (142, 1836695), (194, 1344385), (355, 734678), (485, 537754), (497, 524770), (541, 482090), (679, 384110), (710, 367339), (970, 268877), (994, 262385), (1082, 241045), (1358, 192055), (2485, 104954), (2705, 96418), (3395, 76822), (3787, 68870), (4970, 52477), (5410, 48209), (6790, 38411), (6887, 37870), (7574, 34435), (13774, 18935)]