201813990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4021}}^1$

素因数の和:4277

約数の個数: 64

約数和(自身を含む): 556001280

約数和(自身を除く): 354187290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 239, 478, 717, 1195, 1434, 1673, 2390, 3346, 3585, 4021, 5019, 7170, 8042, 8365, 10038, 12063, 16730, 20105, 24126, 25095, 28147, 40210, 50190, 56294, 60315, 84441, 120630, 140735, 168882, 281470, 422205, 844410, 961019, 1922038, 2883057, 4805095, 5766114, 6727133, 9610190, 13454266, 14415285, 20181399, 28830570, 33635665, 40362798, 67271330, 100906995, 201813990]

約数ペア:

[(1, 201813990), (2, 100906995), (3, 67271330), (5, 40362798), (6, 33635665), (7, 28830570), (10, 20181399), (14, 14415285), (15, 13454266), (21, 9610190), (30, 6727133), (35, 5766114), (42, 4805095), (70, 2883057), (105, 1922038), (210, 961019), (239, 844410), (478, 422205), (717, 281470), (1195, 168882), (1434, 140735), (1673, 120630), (2390, 84441), (3346, 60315), (3585, 56294), (4021, 50190), (5019, 40210), (7170, 28147), (8042, 25095), (8365, 24126), (10038, 20105), (12063, 16730)]