179670140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1499}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 407484000

約数和(自身を除く): 227813860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 461, 922, 1499, 1844, 2305, 2998, 4610, 5993, 5996, 7495, 9220, 11986, 14990, 19487, 23972, 29965, 29980, 38974, 59930, 77948, 97435, 119860, 194870, 389740, 691039, 1382078, 2764156, 3455195, 6910390, 8983507, 13820780, 17967014, 35934028, 44917535, 89835070, 179670140]

約数ペア:

[(1, 179670140), (2, 89835070), (4, 44917535), (5, 35934028), (10, 17967014), (13, 13820780), (20, 8983507), (26, 6910390), (52, 3455195), (65, 2764156), (130, 1382078), (260, 691039), (461, 389740), (922, 194870), (1499, 119860), (1844, 97435), (2305, 77948), (2998, 59930), (4610, 38974), (5993, 29980), (5996, 29965), (7495, 23972), (9220, 19487), (11986, 14990)]