290429580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{691499}}^1$

素因数の和:691518

約数の個数: 48

約数和(自身を含む): 929376000

約数和(自身を除く): 638946420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 691499, 1382998, 2074497, 2765996, 3457495, 4148994, 4840493, 6914990, 8297988, 9680986, 10372485, 13829980, 14521479, 19361972, 20744970, 24202465, 29042958, 41489940, 48404930, 58085916, 72607395, 96809860, 145214790, 290429580]

約数ペア:

[(1, 290429580), (2, 145214790), (3, 96809860), (4, 72607395), (5, 58085916), (6, 48404930), (7, 41489940), (10, 29042958), (12, 24202465), (14, 20744970), (15, 19361972), (20, 14521479), (21, 13829980), (28, 10372485), (30, 9680986), (35, 8297988), (42, 6914990), (60, 4840493), (70, 4148994), (84, 3457495), (105, 2765996), (140, 2074497), (210, 1382998), (420, 691499)]