203031250

素因数分解:

$2^1\times 5^6\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 56

約数和(自身を含む): 390229380

約数和(自身を除く): 187198130

約数列:

[1, 2, 5, 10, 25, 50, 73, 89, 125, 146, 178, 250, 365, 445, 625, 730, 890, 1250, 1825, 2225, 3125, 3650, 4450, 6250, 6497, 9125, 11125, 12994, 15625, 18250, 22250, 31250, 32485, 45625, 55625, 64970, 91250, 111250, 162425, 228125, 278125, 324850, 456250, 556250, 812125, 1140625, 1390625, 1624250, 2281250, 2781250, 4060625, 8121250, 20303125, 40606250, 101515625, 203031250]

約数ペア:

[(1, 203031250), (2, 101515625), (5, 40606250), (10, 20303125), (25, 8121250), (50, 4060625), (73, 2781250), (89, 2281250), (125, 1624250), (146, 1390625), (178, 1140625), (250, 812125), (365, 556250), (445, 456250), (625, 324850), (730, 278125), (890, 228125), (1250, 162425), (1825, 111250), (2225, 91250), (3125, 64970), (3650, 55625), (4450, 45625), (6250, 32485), (6497, 31250), (9125, 22250), (11125, 18250), (12994, 15625)]