1020005980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{251233}}^1$

素因数の和:251278

約数の個数: 48

約数和(自身を含む): 2532438720

約数和(自身を除く): 1512432740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 251233, 502466, 1004932, 1256165, 1758631, 2512330, 3517262, 5024660, 7034524, 7285757, 8793155, 14571514, 17586310, 29143028, 35172620, 36428785, 51000299, 72857570, 102000598, 145715140, 204001196, 255001495, 510002990, 1020005980]

約数ペア:

[(1, 1020005980), (2, 510002990), (4, 255001495), (5, 204001196), (7, 145715140), (10, 102000598), (14, 72857570), (20, 51000299), (28, 36428785), (29, 35172620), (35, 29143028), (58, 17586310), (70, 14571514), (116, 8793155), (140, 7285757), (145, 7034524), (203, 5024660), (290, 3517262), (406, 2512330), (580, 1758631), (812, 1256165), (1015, 1004932), (2030, 502466), (4060, 251233)]