1994620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 4586400

約数和(自身を除く): 2591780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 181, 190, 290, 362, 380, 551, 580, 724, 905, 1102, 1810, 2204, 2755, 3439, 3620, 5249, 5510, 6878, 10498, 11020, 13756, 17195, 20996, 26245, 34390, 52490, 68780, 99731, 104980, 199462, 398924, 498655, 997310, 1994620]

約数ペア:

[(1, 1994620), (2, 997310), (4, 498655), (5, 398924), (10, 199462), (19, 104980), (20, 99731), (29, 68780), (38, 52490), (58, 34390), (76, 26245), (95, 20996), (116, 17195), (145, 13756), (181, 11020), (190, 10498), (290, 6878), (362, 5510), (380, 5249), (551, 3620), (580, 3439), (724, 2755), (905, 2204), (1102, 1810)]