193963480

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 446342400

約数和(自身を除く): 252378920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 163, 284, 326, 355, 419, 568, 652, 710, 815, 838, 1304, 1420, 1630, 1676, 2095, 2840, 3260, 3352, 4190, 6520, 8380, 11573, 16760, 23146, 29749, 46292, 57865, 59498, 68297, 92584, 115730, 118996, 136594, 148745, 231460, 237992, 273188, 297490, 341485, 462920, 546376, 594980, 682970, 1189960, 1365940, 2731880, 4849087, 9698174, 19396348, 24245435, 38792696, 48490870, 96981740, 193963480]

約数ペア:

[(1, 193963480), (2, 96981740), (4, 48490870), (5, 38792696), (8, 24245435), (10, 19396348), (20, 9698174), (40, 4849087), (71, 2731880), (142, 1365940), (163, 1189960), (284, 682970), (326, 594980), (355, 546376), (419, 462920), (568, 341485), (652, 297490), (710, 273188), (815, 237992), (838, 231460), (1304, 148745), (1420, 136594), (1630, 118996), (1676, 115730), (2095, 92584), (2840, 68297), (3260, 59498), (3352, 57865), (4190, 46292), (6520, 29749), (8380, 23146), (11573, 16760)]