155016020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1109}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 338461200

約数和(自身を除く): 183445180

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 241, 290, 482, 580, 964, 1109, 1205, 2218, 2410, 4436, 4820, 5545, 6989, 11090, 13978, 22180, 27956, 32161, 34945, 64322, 69890, 128644, 139780, 160805, 267269, 321610, 534538, 643220, 1069076, 1336345, 2672690, 5345380, 7750801, 15501602, 31003204, 38754005, 77508010, 155016020]

約数ペア:

[(1, 155016020), (2, 77508010), (4, 38754005), (5, 31003204), (10, 15501602), (20, 7750801), (29, 5345380), (58, 2672690), (116, 1336345), (145, 1069076), (241, 643220), (290, 534538), (482, 321610), (580, 267269), (964, 160805), (1109, 139780), (1205, 128644), (2218, 69890), (2410, 64322), (4436, 34945), (4820, 32161), (5545, 27956), (6989, 22180), (11090, 13978)]