2019978255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1229}}^1$

素因数の和:1408

約数の個数: 64

約数和(自身を含む): 3495168000

約数和(自身を除く): 1475189745

約数列:

[1, 3, 5, 15, 19, 57, 73, 79, 95, 219, 237, 285, 365, 395, 1095, 1185, 1229, 1387, 1501, 3687, 4161, 4503, 5767, 6145, 6935, 7505, 17301, 18435, 20805, 22515, 23351, 28835, 70053, 86505, 89717, 97091, 109573, 116755, 269151, 291273, 328719, 350265, 448585, 485455, 547865, 1345755, 1456365, 1643595, 1704623, 1844729, 5113869, 5534187, 7087643, 8523115, 9223645, 21262929, 25569345, 27670935, 35438215, 106314645, 134665217, 403995651, 673326085, 2019978255]

約数ペア:

[(1, 2019978255), (3, 673326085), (5, 403995651), (15, 134665217), (19, 106314645), (57, 35438215), (73, 27670935), (79, 25569345), (95, 21262929), (219, 9223645), (237, 8523115), (285, 7087643), (365, 5534187), (395, 5113869), (1095, 1844729), (1185, 1704623), (1229, 1643595), (1387, 1456365), (1501, 1345755), (3687, 547865), (4161, 485455), (4503, 448585), (5767, 350265), (6145, 328719), (6935, 291273), (7505, 269151), (17301, 116755), (18435, 109573), (20805, 97091), (22515, 89717), (23351, 86505), (28835, 70053)]