189811860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{451933}}^1$

素因数の和:451952

約数の個数: 48

約数和(自身を含む): 607399296

約数和(自身を除く): 417587436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 451933, 903866, 1355799, 1807732, 2259665, 2711598, 3163531, 4519330, 5423196, 6327062, 6778995, 9038660, 9490593, 12654124, 13557990, 15817655, 18981186, 27115980, 31635310, 37962372, 47452965, 63270620, 94905930, 189811860]

約数ペア:

[(1, 189811860), (2, 94905930), (3, 63270620), (4, 47452965), (5, 37962372), (6, 31635310), (7, 27115980), (10, 18981186), (12, 15817655), (14, 13557990), (15, 12654124), (20, 9490593), (21, 9038660), (28, 6778995), (30, 6327062), (35, 5423196), (42, 4519330), (60, 3163531), (70, 2711598), (84, 2259665), (105, 1807732), (140, 1355799), (210, 903866), (420, 451933)]