397960080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{236881}}^1$

素因数の和:236904

約数の個数: 80

約数和(自身を含む): 1409921664

約数和(自身を除く): 1011961584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 236881, 473762, 710643, 947524, 1184405, 1421286, 1658167, 1895048, 2368810, 2842572, 3316334, 3553215, 3790096, 4737620, 4974501, 5685144, 6632668, 7106430, 8290835, 9475240, 9949002, 11370288, 13265336, 14212860, 16581670, 18950480, 19898004, 24872505, 26530672, 28425720, 33163340, 39796008, 49745010, 56851440, 66326680, 79592016, 99490020, 132653360, 198980040, 397960080]

約数ペア:

[(1, 397960080), (2, 198980040), (3, 132653360), (4, 99490020), (5, 79592016), (6, 66326680), (7, 56851440), (8, 49745010), (10, 39796008), (12, 33163340), (14, 28425720), (15, 26530672), (16, 24872505), (20, 19898004), (21, 18950480), (24, 16581670), (28, 14212860), (30, 13265336), (35, 11370288), (40, 9949002), (42, 9475240), (48, 8290835), (56, 7106430), (60, 6632668), (70, 5685144), (80, 4974501), (84, 4737620), (105, 3790096), (112, 3553215), (120, 3316334), (140, 2842572), (168, 2368810), (210, 1895048), (240, 1658167), (280, 1421286), (336, 1184405), (420, 947524), (560, 710643), (840, 473762), (1680, 236881)]