749490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 2128896

約数和(自身を除く): 1379406

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 83, 86, 105, 129, 166, 210, 215, 249, 258, 301, 415, 430, 498, 581, 602, 645, 830, 903, 1162, 1245, 1290, 1505, 1743, 1806, 2490, 2905, 3010, 3486, 3569, 4515, 5810, 7138, 8715, 9030, 10707, 17430, 17845, 21414, 24983, 35690, 49966, 53535, 74949, 107070, 124915, 149898, 249830, 374745, 749490]

約数ペア:

[(1, 749490), (2, 374745), (3, 249830), (5, 149898), (6, 124915), (7, 107070), (10, 74949), (14, 53535), (15, 49966), (21, 35690), (30, 24983), (35, 21414), (42, 17845), (43, 17430), (70, 10707), (83, 9030), (86, 8715), (105, 7138), (129, 5810), (166, 4515), (210, 3569), (215, 3486), (249, 3010), (258, 2905), (301, 2490), (415, 1806), (430, 1743), (498, 1505), (581, 1290), (602, 1245), (645, 1162), (830, 903)]