490245

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 984960

約数和(自身を除く): 494715

約数列:

[1, 3, 5, 7, 15, 21, 23, 29, 35, 49, 69, 87, 105, 115, 145, 147, 161, 203, 245, 345, 435, 483, 609, 667, 735, 805, 1015, 1127, 1421, 2001, 2415, 3045, 3335, 3381, 4263, 4669, 5635, 7105, 10005, 14007, 16905, 21315, 23345, 32683, 70035, 98049, 163415, 490245]

約数ペア:

[(1, 490245), (3, 163415), (5, 98049), (7, 70035), (15, 32683), (21, 23345), (23, 21315), (29, 16905), (35, 14007), (49, 10005), (69, 7105), (87, 5635), (105, 4669), (115, 4263), (145, 3381), (147, 3335), (161, 3045), (203, 2415), (245, 2001), (345, 1421), (435, 1127), (483, 1015), (609, 805), (667, 735)]