401065870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{547}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 809637120

約数和(自身を除く): 408571250

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 227, 323, 454, 547, 646, 1094, 1135, 1615, 2270, 2735, 3230, 3859, 4313, 5470, 7718, 8626, 9299, 10393, 18598, 19295, 20786, 21565, 38590, 43130, 46495, 51965, 73321, 92990, 103930, 124169, 146642, 176681, 248338, 353362, 366605, 620845, 733210, 883405, 1241690, 1766810, 2110873, 2359211, 4221746, 4718422, 10554365, 11796055, 21108730, 23592110, 40106587, 80213174, 200532935, 401065870]

約数ペア:

[(1, 401065870), (2, 200532935), (5, 80213174), (10, 40106587), (17, 23592110), (19, 21108730), (34, 11796055), (38, 10554365), (85, 4718422), (95, 4221746), (170, 2359211), (190, 2110873), (227, 1766810), (323, 1241690), (454, 883405), (547, 733210), (646, 620845), (1094, 366605), (1135, 353362), (1615, 248338), (2270, 176681), (2735, 146642), (3230, 124169), (3859, 103930), (4313, 92990), (5470, 73321), (7718, 51965), (8626, 46495), (9299, 43130), (10393, 38590), (18598, 21565), (19295, 20786)]