221428340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{54539}}^1$

素因数の和:54584

約数の個数: 48

約数和(自身を含む): 549763200

約数和(自身を除く): 328334860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 54539, 109078, 218156, 272695, 381773, 545390, 763546, 1090780, 1527092, 1581631, 1908865, 3163262, 3817730, 6326524, 7635460, 7908155, 11071417, 15816310, 22142834, 31632620, 44285668, 55357085, 110714170, 221428340]

約数ペア:

[(1, 221428340), (2, 110714170), (4, 55357085), (5, 44285668), (7, 31632620), (10, 22142834), (14, 15816310), (20, 11071417), (28, 7908155), (29, 7635460), (35, 6326524), (58, 3817730), (70, 3163262), (116, 1908865), (140, 1581631), (145, 1527092), (203, 1090780), (290, 763546), (406, 545390), (580, 381773), (812, 272695), (1015, 218156), (2030, 109078), (4060, 54539)]