328456906520

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4079}}^1\times {\mathrm{8423}}^1$

素因数の和:12752

約数の個数: 64

約数和(自身を含む): 742390272000

約数和(自身を除く): 413933365480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4079, 4780, 8158, 8423, 9560, 16316, 16846, 20395, 32632, 33692, 40790, 42115, 67384, 81580, 84230, 163160, 168460, 336920, 974881, 1949762, 2013097, 3899524, 4026194, 4874405, 7799048, 8052388, 9748810, 10065485, 16104776, 19497620, 20130970, 34357417, 38995240, 40261940, 68714834, 80523880, 137429668, 171787085, 274859336, 343574170, 687148340, 1374296680, 8211422663, 16422845326, 32845690652, 41057113315, 65691381304, 82114226630, 164228453260, 328456906520]

約数ペア:

[(1, 328456906520), (2, 164228453260), (4, 82114226630), (5, 65691381304), (8, 41057113315), (10, 32845690652), (20, 16422845326), (40, 8211422663), (239, 1374296680), (478, 687148340), (956, 343574170), (1195, 274859336), (1912, 171787085), (2390, 137429668), (4079, 80523880), (4780, 68714834), (8158, 40261940), (8423, 38995240), (9560, 34357417), (16316, 20130970), (16846, 19497620), (20395, 16104776), (32632, 10065485), (33692, 9748810), (40790, 8052388), (42115, 7799048), (67384, 4874405), (81580, 4026194), (84230, 3899524), (163160, 2013097), (168460, 1949762), (336920, 974881)]