421055880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{501257}}^1$

素因数の和:501278

約数の個数: 64

約数和(自身を含む): 1443623040

約数和(自身を除く): 1022567160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 501257, 1002514, 1503771, 2005028, 2506285, 3007542, 3508799, 4010056, 5012570, 6015084, 7017598, 7518855, 10025140, 10526397, 12030168, 14035196, 15037710, 17543995, 20050280, 21052794, 28070392, 30075420, 35087990, 42105588, 52631985, 60150840, 70175980, 84211176, 105263970, 140351960, 210527940, 421055880]

約数ペア:

[(1, 421055880), (2, 210527940), (3, 140351960), (4, 105263970), (5, 84211176), (6, 70175980), (7, 60150840), (8, 52631985), (10, 42105588), (12, 35087990), (14, 30075420), (15, 28070392), (20, 21052794), (21, 20050280), (24, 17543995), (28, 15037710), (30, 14035196), (35, 12030168), (40, 10526397), (42, 10025140), (56, 7518855), (60, 7017598), (70, 6015084), (84, 5012570), (105, 4010056), (120, 3508799), (140, 3007542), (168, 2506285), (210, 2005028), (280, 1503771), (420, 1002514), (840, 501257)]