838890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 2419200

約数和(自身を除く): 1580310

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 239, 270, 351, 390, 478, 585, 702, 717, 1170, 1195, 1434, 1755, 2151, 2390, 3107, 3510, 3585, 4302, 6214, 6453, 7170, 9321, 10755, 12906, 15535, 18642, 21510, 27963, 31070, 32265, 46605, 55926, 64530, 83889, 93210, 139815, 167778, 279630, 419445, 838890]

約数ペア:

[(1, 838890), (2, 419445), (3, 279630), (5, 167778), (6, 139815), (9, 93210), (10, 83889), (13, 64530), (15, 55926), (18, 46605), (26, 32265), (27, 31070), (30, 27963), (39, 21510), (45, 18642), (54, 15535), (65, 12906), (78, 10755), (90, 9321), (117, 7170), (130, 6453), (135, 6214), (195, 4302), (234, 3585), (239, 3510), (270, 3107), (351, 2390), (390, 2151), (478, 1755), (585, 1434), (702, 1195), (717, 1170)]