2021940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 6289920

約数和(自身を除く): 4267980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 239, 282, 423, 470, 478, 564, 705, 717, 846, 940, 956, 1195, 1410, 1434, 1692, 2115, 2151, 2390, 2820, 2868, 3585, 4230, 4302, 4780, 7170, 8460, 8604, 10755, 11233, 14340, 21510, 22466, 33699, 43020, 44932, 56165, 67398, 101097, 112330, 134796, 168495, 202194, 224660, 336990, 404388, 505485, 673980, 1010970, 2021940]

約数ペア:

[(1, 2021940), (2, 1010970), (3, 673980), (4, 505485), (5, 404388), (6, 336990), (9, 224660), (10, 202194), (12, 168495), (15, 134796), (18, 112330), (20, 101097), (30, 67398), (36, 56165), (45, 44932), (47, 43020), (60, 33699), (90, 22466), (94, 21510), (141, 14340), (180, 11233), (188, 10755), (235, 8604), (239, 8460), (282, 7170), (423, 4780), (470, 4302), (478, 4230), (564, 3585), (705, 2868), (717, 2820), (846, 2390), (940, 2151), (956, 2115), (1195, 1692), (1410, 1434)]