2019946825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 2918424320

約数和(自身を除く): 898477495

約数列:

[1, 5, 13, 23, 25, 31, 65, 115, 155, 299, 325, 379, 403, 529, 575, 713, 775, 1495, 1895, 2015, 2645, 3565, 4927, 6877, 7475, 8717, 9269, 9475, 10075, 11749, 13225, 16399, 17825, 24635, 34385, 43585, 46345, 58745, 81995, 113321, 123175, 152737, 171925, 200491, 213187, 217925, 231725, 270227, 293725, 409975, 566605, 763685, 1002455, 1065935, 1351135, 2606383, 2833025, 3512951, 3818425, 5012275, 5329675, 6215221, 6755675, 13031915, 17564755, 31076105, 65159575, 80797873, 87823775, 155380525, 403989365, 2019946825]

約数ペア:

[(1, 2019946825), (5, 403989365), (13, 155380525), (23, 87823775), (25, 80797873), (31, 65159575), (65, 31076105), (115, 17564755), (155, 13031915), (299, 6755675), (325, 6215221), (379, 5329675), (403, 5012275), (529, 3818425), (575, 3512951), (713, 2833025), (775, 2606383), (1495, 1351135), (1895, 1065935), (2015, 1002455), (2645, 763685), (3565, 566605), (4927, 409975), (6877, 293725), (7475, 270227), (8717, 231725), (9269, 217925), (9475, 213187), (10075, 200491), (11749, 171925), (13225, 152737), (16399, 123175), (17825, 113321), (24635, 81995), (34385, 58745), (43585, 46345)]