280770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{191}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 787968

約数和(自身を除く): 507198

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 191, 210, 245, 294, 382, 490, 573, 735, 955, 1146, 1337, 1470, 1910, 2674, 2865, 4011, 5730, 6685, 8022, 9359, 13370, 18718, 20055, 28077, 40110, 46795, 56154, 93590, 140385, 280770]

約数ペア:

[(1, 280770), (2, 140385), (3, 93590), (5, 56154), (6, 46795), (7, 40110), (10, 28077), (14, 20055), (15, 18718), (21, 13370), (30, 9359), (35, 8022), (42, 6685), (49, 5730), (70, 4011), (98, 2865), (105, 2674), (147, 1910), (191, 1470), (210, 1337), (245, 1146), (294, 955), (382, 735), (490, 573)]