891429420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2122451}}^1$

素因数の和:2122470

約数の個数: 48

約数和(自身を含む): 2852575488

約数和(自身を除く): 1961146068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2122451, 4244902, 6367353, 8489804, 10612255, 12734706, 14857157, 21224510, 25469412, 29714314, 31836765, 42449020, 44571471, 59428628, 63673530, 74285785, 89142942, 127347060, 148571570, 178285884, 222857355, 297143140, 445714710, 891429420]

約数ペア:

[(1, 891429420), (2, 445714710), (3, 297143140), (4, 222857355), (5, 178285884), (6, 148571570), (7, 127347060), (10, 89142942), (12, 74285785), (14, 63673530), (15, 59428628), (20, 44571471), (21, 42449020), (28, 31836765), (30, 29714314), (35, 25469412), (42, 21224510), (60, 14857157), (70, 12734706), (84, 10612255), (105, 8489804), (140, 6367353), (210, 4244902), (420, 2122451)]