201358580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{167}}^2$

素因数の和:381

約数の個数: 54

約数和(自身を含む): 448968114

約数和(自身を除く): 247609534

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 361, 380, 668, 722, 835, 1444, 1670, 1805, 3173, 3340, 3610, 6346, 7220, 12692, 15865, 27889, 31730, 55778, 60287, 63460, 111556, 120574, 139445, 241148, 278890, 301435, 529891, 557780, 602870, 1059782, 1205740, 2119564, 2649455, 5298910, 10067929, 10597820, 20135858, 40271716, 50339645, 100679290, 201358580]

約数ペア:

[(1, 201358580), (2, 100679290), (4, 50339645), (5, 40271716), (10, 20135858), (19, 10597820), (20, 10067929), (38, 5298910), (76, 2649455), (95, 2119564), (167, 1205740), (190, 1059782), (334, 602870), (361, 557780), (380, 529891), (668, 301435), (722, 278890), (835, 241148), (1444, 139445), (1670, 120574), (1805, 111556), (3173, 63460), (3340, 60287), (3610, 55778), (6346, 31730), (7220, 27889), (12692, 15865)]