90885730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 182675808

約数和(自身を除く): 91790078

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 73, 122, 130, 146, 157, 305, 314, 365, 610, 730, 785, 793, 949, 1570, 1586, 1898, 2041, 3965, 4082, 4453, 4745, 7930, 8906, 9490, 9577, 10205, 11461, 19154, 20410, 22265, 22922, 44530, 47885, 57305, 57889, 95770, 114610, 115778, 124501, 148993, 249002, 289445, 297986, 578890, 622505, 699121, 744965, 1245010, 1398242, 1489930, 3495605, 6991210, 9088573, 18177146, 45442865, 90885730]

約数ペア:

[(1, 90885730), (2, 45442865), (5, 18177146), (10, 9088573), (13, 6991210), (26, 3495605), (61, 1489930), (65, 1398242), (73, 1245010), (122, 744965), (130, 699121), (146, 622505), (157, 578890), (305, 297986), (314, 289445), (365, 249002), (610, 148993), (730, 124501), (785, 115778), (793, 114610), (949, 95770), (1570, 57889), (1586, 57305), (1898, 47885), (2041, 44530), (3965, 22922), (4082, 22265), (4453, 20410), (4745, 19154), (7930, 11461), (8906, 10205), (9490, 9577)]