17277640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 40466160

約数和(自身を除く): 23188520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 97, 122, 146, 194, 244, 292, 305, 365, 388, 485, 488, 584, 610, 730, 776, 970, 1220, 1460, 1940, 2440, 2920, 3880, 4453, 5917, 7081, 8906, 11834, 14162, 17812, 22265, 23668, 28324, 29585, 35405, 35624, 44530, 47336, 56648, 59170, 70810, 89060, 118340, 141620, 178120, 236680, 283240, 431941, 863882, 1727764, 2159705, 3455528, 4319410, 8638820, 17277640]

約数ペア:

[(1, 17277640), (2, 8638820), (4, 4319410), (5, 3455528), (8, 2159705), (10, 1727764), (20, 863882), (40, 431941), (61, 283240), (73, 236680), (97, 178120), (122, 141620), (146, 118340), (194, 89060), (244, 70810), (292, 59170), (305, 56648), (365, 47336), (388, 44530), (485, 35624), (488, 35405), (584, 29585), (610, 28324), (730, 23668), (776, 22265), (970, 17812), (1220, 14162), (1460, 11834), (1940, 8906), (2440, 7081), (2920, 5917), (3880, 4453)]