291210780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{693359}}^1$

素因数の和:693378

約数の個数: 48

約数和(自身を含む): 931875840

約数和(自身を除く): 640665060

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, 693359, 1386718, 2080077, 2773436, 3466795, 4160154, 4853513, 6933590, 8320308, 9707026, 10400385, 13867180, 14560539, 19414052, 20800770, 24267565, 29121078, 41601540, 48535130, 58242156, 72802695, 97070260, 145605390, 291210780]

約数ペア:

[(1, 291210780), (2, 145605390), (3, 97070260), (4, 72802695), (5, 58242156), (6, 48535130), (7, 41601540), (10, 29121078), (12, 24267565), (14, 20800770), (15, 19414052), (20, 14560539), (21, 13867180), (28, 10400385), (30, 9707026), (35, 8320308), (42, 6933590), (60, 4853513), (70, 4160154), (84, 3466795), (105, 2773436), (140, 2080077), (210, 1386718), (420, 693359)]