129175870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 254580480

約数和(自身を除く): 125404610

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 97, 163, 190, 194, 215, 326, 430, 485, 815, 817, 970, 1630, 1634, 1843, 3097, 3686, 4085, 4171, 6194, 7009, 8170, 8342, 9215, 14018, 15485, 15811, 18430, 20855, 30970, 31622, 35045, 41710, 70090, 79055, 79249, 133171, 158110, 158498, 266342, 300409, 396245, 600818, 665855, 679873, 792490, 1331710, 1359746, 1502045, 3004090, 3399365, 6798730, 12917587, 25835174, 64587935, 129175870]

約数ペア:

[(1, 129175870), (2, 64587935), (5, 25835174), (10, 12917587), (19, 6798730), (38, 3399365), (43, 3004090), (86, 1502045), (95, 1359746), (97, 1331710), (163, 792490), (190, 679873), (194, 665855), (215, 600818), (326, 396245), (430, 300409), (485, 266342), (815, 158498), (817, 158110), (970, 133171), (1630, 79249), (1634, 79055), (1843, 70090), (3097, 41710), (3686, 35045), (4085, 31622), (4171, 30970), (6194, 20855), (7009, 18430), (8170, 15811), (8342, 15485), (9215, 14018)]