721855460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 1647378432

約数和(自身を除く): 925522972

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 223, 227, 230, 310, 446, 454, 460, 620, 713, 892, 908, 1115, 1135, 1426, 2230, 2270, 2852, 3565, 4460, 4540, 5129, 5221, 6913, 7037, 7130, 10258, 10442, 13826, 14074, 14260, 20516, 20884, 25645, 26105, 27652, 28148, 34565, 35185, 50621, 51290, 52210, 69130, 70370, 101242, 102580, 104420, 138260, 140740, 158999, 161851, 202484, 253105, 317998, 323702, 506210, 635996, 647404, 794995, 809255, 1012420, 1164283, 1569251, 1589990, 1618510, 2328566, 3138502, 3179980, 3237020, 4657132, 5821415, 6277004, 7846255, 11642830, 15692510, 23285660, 31385020, 36092773, 72185546, 144371092, 180463865, 360927730, 721855460]

約数ペア:

[(1, 721855460), (2, 360927730), (4, 180463865), (5, 144371092), (10, 72185546), (20, 36092773), (23, 31385020), (31, 23285660), (46, 15692510), (62, 11642830), (92, 7846255), (115, 6277004), (124, 5821415), (155, 4657132), (223, 3237020), (227, 3179980), (230, 3138502), (310, 2328566), (446, 1618510), (454, 1589990), (460, 1569251), (620, 1164283), (713, 1012420), (892, 809255), (908, 794995), (1115, 647404), (1135, 635996), (1426, 506210), (2230, 323702), (2270, 317998), (2852, 253105), (3565, 202484), (4460, 161851), (4540, 158999), (5129, 140740), (5221, 138260), (6913, 104420), (7037, 102580), (7130, 101242), (10258, 70370), (10442, 69130), (13826, 52210), (14074, 51290), (14260, 50621), (20516, 35185), (20884, 34565), (25645, 28148), (26105, 27652)]