407684820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{399691}}^1$

素因数の和:399720

約数の個数: 48

約数和(自身を含む): 1208668608

約数和(自身を除く): 800983788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 399691, 799382, 1199073, 1598764, 1998455, 2398146, 3996910, 4796292, 5995365, 6794747, 7993820, 11990730, 13589494, 20384241, 23981460, 27178988, 33973735, 40768482, 67947470, 81536964, 101921205, 135894940, 203842410, 407684820]

約数ペア:

[(1, 407684820), (2, 203842410), (3, 135894940), (4, 101921205), (5, 81536964), (6, 67947470), (10, 40768482), (12, 33973735), (15, 27178988), (17, 23981460), (20, 20384241), (30, 13589494), (34, 11990730), (51, 7993820), (60, 6794747), (68, 5995365), (85, 4796292), (102, 3996910), (170, 2398146), (204, 1998455), (255, 1598764), (340, 1199073), (510, 799382), (1020, 399691)]