4223050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 8671320

約数和(自身を除く): 4448270

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 73, 89, 130, 146, 178, 325, 365, 445, 650, 730, 890, 949, 1157, 1825, 1898, 2225, 2314, 3650, 4450, 4745, 5785, 6497, 9490, 11570, 12994, 23725, 28925, 32485, 47450, 57850, 64970, 84461, 162425, 168922, 324850, 422305, 844610, 2111525, 4223050]

約数ペア:

[(1, 4223050), (2, 2111525), (5, 844610), (10, 422305), (13, 324850), (25, 168922), (26, 162425), (50, 84461), (65, 64970), (73, 57850), (89, 47450), (130, 32485), (146, 28925), (178, 23725), (325, 12994), (365, 11570), (445, 9490), (650, 6497), (730, 5785), (890, 4745), (949, 4450), (1157, 3650), (1825, 2314), (1898, 2225)]