201990021108

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1\times {\mathrm{232567}}^1$

素因数の和:233192

約数の個数: 48

約数和(自身を含む): 475342944384

約数和(自身を除く): 273352923276

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 461, 471, 628, 922, 942, 1383, 1844, 1884, 2766, 5532, 72377, 144754, 217131, 232567, 289508, 434262, 465134, 697701, 868524, 930268, 1395402, 2790804, 36513019, 73026038, 107213387, 109539057, 146052076, 214426774, 219078114, 321640161, 428853548, 438156228, 643280322, 1286560644, 16832501759, 33665003518, 50497505277, 67330007036, 100995010554, 201990021108]

約数ペア:

[(1, 201990021108), (2, 100995010554), (3, 67330007036), (4, 50497505277), (6, 33665003518), (12, 16832501759), (157, 1286560644), (314, 643280322), (461, 438156228), (471, 428853548), (628, 321640161), (922, 219078114), (942, 214426774), (1383, 146052076), (1844, 109539057), (1884, 107213387), (2766, 73026038), (5532, 36513019), (72377, 2790804), (144754, 1395402), (217131, 930268), (232567, 868524), (289508, 697701), (434262, 465134)]