76438490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 145805400

約数和(自身を除く): 69366910

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 149, 290, 298, 305, 610, 745, 841, 1490, 1682, 1769, 3538, 4205, 4321, 8410, 8642, 8845, 9089, 17690, 18178, 21605, 43210, 45445, 51301, 90890, 102602, 125309, 250618, 256505, 263581, 513010, 527162, 626545, 1253090, 1317905, 2635810, 7643849, 15287698, 38219245, 76438490]

約数ペア:

[(1, 76438490), (2, 38219245), (5, 15287698), (10, 7643849), (29, 2635810), (58, 1317905), (61, 1253090), (122, 626545), (145, 527162), (149, 513010), (290, 263581), (298, 256505), (305, 250618), (610, 125309), (745, 102602), (841, 90890), (1490, 51301), (1682, 45445), (1769, 43210), (3538, 21605), (4205, 18178), (4321, 17690), (8410, 9089), (8642, 8845)]