492358.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 9072000

約数和(自身を除く): 5051980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 149, 190, 284, 298, 355, 380, 596, 710, 745, 1349, 1420, 1490, 2698, 2831, 2980, 5396, 5662, 6745, 10579, 11324, 13490, 14155, 21158, 26980, 28310, 42316, 52895, 56620, 105790, 201001, 211580, 402002, 804004, 1005005, 2010010, 4020020]

約数ペア:

[(1, 4020020), (2, 2010010), (4, 1005005), (5, 804004), (10, 402002), (19, 211580), (20, 201001), (38, 105790), (71, 56620), (76, 52895), (95, 42316), (142, 28310), (149, 26980), (190, 21158), (284, 14155), (298, 13490), (355, 11324), (380, 10579), (596, 6745), (710, 5662), (745, 5396), (1349, 2980), (1420, 2831), (1490, 2698)]