28443950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 56544000

約数和(自身を除く): 28100050

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 158, 190, 379, 395, 475, 758, 790, 950, 1501, 1895, 1975, 3002, 3790, 3950, 7201, 7505, 9475, 14402, 15010, 18950, 29941, 36005, 37525, 59882, 72010, 75050, 149705, 180025, 299410, 360050, 568879, 748525, 1137758, 1497050, 2844395, 5688790, 14221975, 28443950]

約数ペア:

[(1, 28443950), (2, 14221975), (5, 5688790), (10, 2844395), (19, 1497050), (25, 1137758), (38, 748525), (50, 568879), (79, 360050), (95, 299410), (158, 180025), (190, 149705), (379, 75050), (395, 72010), (475, 59882), (758, 37525), (790, 36005), (950, 29941), (1501, 18950), (1895, 15010), (1975, 14402), (3002, 9475), (3790, 7505), (3950, 7201)]