420074135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 609033600

約数和(自身を除く): 188959465

約数列:

[1, 5, 13, 19, 29, 37, 65, 95, 145, 185, 247, 317, 377, 481, 551, 703, 1073, 1235, 1585, 1885, 2405, 2755, 3515, 4121, 5365, 6023, 7163, 9139, 9193, 11729, 13949, 20387, 20605, 30115, 35815, 45695, 45965, 58645, 69745, 78299, 101935, 119509, 152477, 174667, 222851, 265031, 340141, 391495, 597545, 762385, 873335, 1114255, 1325155, 1700705, 2270671, 2897063, 4421833, 6462679, 11353355, 14485315, 22109165, 32313395, 84014827, 420074135]

約数ペア:

[(1, 420074135), (5, 84014827), (13, 32313395), (19, 22109165), (29, 14485315), (37, 11353355), (65, 6462679), (95, 4421833), (145, 2897063), (185, 2270671), (247, 1700705), (317, 1325155), (377, 1114255), (481, 873335), (551, 762385), (703, 597545), (1073, 391495), (1235, 340141), (1585, 265031), (1885, 222851), (2405, 174667), (2755, 152477), (3515, 119509), (4121, 101935), (5365, 78299), (6023, 69745), (7163, 58645), (9139, 45965), (9193, 45695), (11729, 35815), (13949, 30115), (20387, 20605)]