213784620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1181}}^1$

素因数の和:1631

約数の個数: 96

約数和(自身を含む): 686278656

約数和(自身を除く): 472494036

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, 431, 862, 1181, 1293, 1724, 2155, 2362, 2586, 3017, 3543, 4310, 4724, 5172, 5905, 6034, 6465, 7086, 8267, 8620, 9051, 11810, 12068, 12930, 14172, 15085, 16534, 17715, 18102, 23620, 24801, 25860, 30170, 33068, 35430, 36204, 41335, 45255, 49602, 60340, 70860, 82670, 90510, 99204, 124005, 165340, 181020, 248010, 496020, 509011, 1018022, 1527033, 2036044, 2545055, 3054066, 3563077, 5090110, 6108132, 7126154, 7635165, 10180220, 10689231, 14252308, 15270330, 17815385, 21378462, 30540660, 35630770, 42756924, 53446155, 71261540, 106892310, 213784620]

約数ペア:

[(1, 213784620), (2, 106892310), (3, 71261540), (4, 53446155), (5, 42756924), (6, 35630770), (7, 30540660), (10, 21378462), (12, 17815385), (14, 15270330), (15, 14252308), (20, 10689231), (21, 10180220), (28, 7635165), (30, 7126154), (35, 6108132), (42, 5090110), (60, 3563077), (70, 3054066), (84, 2545055), (105, 2036044), (140, 1527033), (210, 1018022), (420, 509011), (431, 496020), (862, 248010), (1181, 181020), (1293, 165340), (1724, 124005), (2155, 99204), (2362, 90510), (2586, 82670), (3017, 70860), (3543, 60340), (4310, 49602), (4724, 45255), (5172, 41335), (5905, 36204), (6034, 35430), (6465, 33068), (7086, 30170), (8267, 25860), (8620, 24801), (9051, 23620), (11810, 18102), (12068, 17715), (12930, 16534), (14172, 15085)]