320485438

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1481}}^1$

素因数の和:1573

約数の個数: 64

約数和(自身を含む): 627419520

約数和(自身を除く): 306934082

約数列:

[1, 2, 7, 13, 14, 26, 29, 41, 58, 82, 91, 182, 203, 287, 377, 406, 533, 574, 754, 1066, 1189, 1481, 2378, 2639, 2962, 3731, 5278, 7462, 8323, 10367, 15457, 16646, 19253, 20734, 30914, 38506, 42949, 60721, 85898, 108199, 121442, 134771, 216398, 269542, 300643, 425047, 558337, 601286, 789373, 850094, 1116674, 1578746, 1760909, 3521818, 3908359, 5525611, 7816718, 11051222, 12326363, 22891817, 24652726, 45783634, 160242719, 320485438]

約数ペア:

[(1, 320485438), (2, 160242719), (7, 45783634), (13, 24652726), (14, 22891817), (26, 12326363), (29, 11051222), (41, 7816718), (58, 5525611), (82, 3908359), (91, 3521818), (182, 1760909), (203, 1578746), (287, 1116674), (377, 850094), (406, 789373), (533, 601286), (574, 558337), (754, 425047), (1066, 300643), (1189, 269542), (1481, 216398), (2378, 134771), (2639, 121442), (2962, 108199), (3731, 85898), (5278, 60721), (7462, 42949), (8323, 38506), (10367, 30914), (15457, 20734), (16646, 19253)]