311933380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{19423}}^1$

素因数の和:19516

約数の個数: 48

約数和(自身を含む): 724437504

約数和(自身を除く): 412504124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 19423, 38846, 77692, 97115, 194230, 213653, 388460, 427306, 854612, 1068265, 1417879, 2136530, 2835758, 4273060, 5671516, 7089395, 14178790, 15596669, 28357580, 31193338, 62386676, 77983345, 155966690, 311933380]

約数ペア:

[(1, 311933380), (2, 155966690), (4, 77983345), (5, 62386676), (10, 31193338), (11, 28357580), (20, 15596669), (22, 14178790), (44, 7089395), (55, 5671516), (73, 4273060), (110, 2835758), (146, 2136530), (220, 1417879), (292, 1068265), (365, 854612), (730, 427306), (803, 388460), (1460, 213653), (1606, 194230), (3212, 97115), (4015, 77692), (8030, 38846), (16060, 19423)]