172194540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409987}}^1$

素因数の和:410006

約数の個数: 48

約数和(自身を含む): 551023872

約数和(自身を除く): 378829332

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, 409987, 819974, 1229961, 1639948, 2049935, 2459922, 2869909, 4099870, 4919844, 5739818, 6149805, 8199740, 8609727, 11479636, 12299610, 14349545, 17219454, 24599220, 28699090, 34438908, 43048635, 57398180, 86097270, 172194540]

約数ペア:

[(1, 172194540), (2, 86097270), (3, 57398180), (4, 43048635), (5, 34438908), (6, 28699090), (7, 24599220), (10, 17219454), (12, 14349545), (14, 12299610), (15, 11479636), (20, 8609727), (21, 8199740), (28, 6149805), (30, 5739818), (35, 4919844), (42, 4099870), (60, 2869909), (70, 2459922), (84, 2049935), (105, 1639948), (140, 1229961), (210, 819974), (420, 409987)]