245179830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{23827}}^1$

素因数の和:23858

約数の個数: 64

約数和(自身を含む): 686246400

約数和(自身を除く): 441066570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 10290, 23827, 47654, 71481, 119135, 142962, 166789, 238270, 333578, 357405, 500367, 714810, 833945, 1000734, 1167523, 1667890, 2335046, 2501835, 3502569, 5003670, 5837615, 7005138, 8172661, 11675230, 16345322, 17512845, 24517983, 35025690, 40863305, 49035966, 81726610, 122589915, 245179830]

約数ペア:

[(1, 245179830), (2, 122589915), (3, 81726610), (5, 49035966), (6, 40863305), (7, 35025690), (10, 24517983), (14, 17512845), (15, 16345322), (21, 11675230), (30, 8172661), (35, 7005138), (42, 5837615), (49, 5003670), (70, 3502569), (98, 2501835), (105, 2335046), (147, 1667890), (210, 1167523), (245, 1000734), (294, 833945), (343, 714810), (490, 500367), (686, 357405), (735, 333578), (1029, 238270), (1470, 166789), (1715, 142962), (2058, 119135), (3430, 71481), (5145, 47654), (10290, 23827)]