219620730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2557}}^1$

素因数の和:2983

約数の個数: 64

約数和(自身を含む): 604097280

約数和(自身を除く): 384476550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 409, 818, 1227, 2045, 2454, 2557, 2863, 4090, 5114, 5726, 6135, 7671, 8589, 12270, 12785, 14315, 15342, 17178, 17899, 25570, 28630, 35798, 38355, 42945, 53697, 76710, 85890, 89495, 107394, 178990, 268485, 536970, 1045813, 2091626, 3137439, 5229065, 6274878, 7320691, 10458130, 14641382, 15687195, 21962073, 31374390, 36603455, 43924146, 73206910, 109810365, 219620730]

約数ペア:

[(1, 219620730), (2, 109810365), (3, 73206910), (5, 43924146), (6, 36603455), (7, 31374390), (10, 21962073), (14, 15687195), (15, 14641382), (21, 10458130), (30, 7320691), (35, 6274878), (42, 5229065), (70, 3137439), (105, 2091626), (210, 1045813), (409, 536970), (818, 268485), (1227, 178990), (2045, 107394), (2454, 89495), (2557, 85890), (2863, 76710), (4090, 53697), (5114, 42945), (5726, 38355), (6135, 35798), (7671, 28630), (8589, 25570), (12270, 17899), (12785, 17178), (14315, 15342)]