72789940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:952

約数の個数: 48

約数和(自身を含む): 160433280

約数和(自身を除く): 87643340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 229, 230, 458, 460, 691, 916, 1145, 1382, 2290, 2764, 3455, 4580, 5267, 6910, 10534, 13820, 15893, 21068, 26335, 31786, 52670, 63572, 79465, 105340, 158239, 158930, 316478, 317860, 632956, 791195, 1582390, 3164780, 3639497, 7278994, 14557988, 18197485, 36394970, 72789940]

約数ペア:

[(1, 72789940), (2, 36394970), (4, 18197485), (5, 14557988), (10, 7278994), (20, 3639497), (23, 3164780), (46, 1582390), (92, 791195), (115, 632956), (229, 317860), (230, 316478), (458, 158930), (460, 158239), (691, 105340), (916, 79465), (1145, 63572), (1382, 52670), (2290, 31786), (2764, 26335), (3455, 21068), (4580, 15893), (5267, 13820), (6910, 10534)]