397899180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6719}}^1$

素因数の和:6788

約数の個数: 144

約数和(自身を含む): 1408942080

約数和(自身を除く): 1011042900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1410, 1645, 1692, 1974, 2115, 2820, 2961, 3290, 3948, 4230, 4935, 5922, 6580, 6719, 8460, 9870, 11844, 13438, 14805, 19740, 20157, 26876, 29610, 33595, 40314, 47033, 59220, 60471, 67190, 80628, 94066, 100785, 120942, 134380, 141099, 188132, 201570, 235165, 241884, 282198, 302355, 315793, 403140, 423297, 470330, 564396, 604710, 631586, 705495, 846594, 940660, 947379, 1209420, 1263172, 1410990, 1578965, 1693188, 1894758, 2116485, 2210551, 2821980, 2842137, 3157930, 3789516, 4232970, 4421102, 4736895, 5684274, 6315860, 6631653, 8465940, 8842204, 9473790, 11052755, 11368548, 13263306, 14210685, 18947580, 19894959, 22105510, 26526612, 28421370, 33158265, 39789918, 44211020, 56842740, 66316530, 79579836, 99474795, 132633060, 198949590, 397899180]

約数ペア:

[(1, 397899180), (2, 198949590), (3, 132633060), (4, 99474795), (5, 79579836), (6, 66316530), (7, 56842740), (9, 44211020), (10, 39789918), (12, 33158265), (14, 28421370), (15, 26526612), (18, 22105510), (20, 19894959), (21, 18947580), (28, 14210685), (30, 13263306), (35, 11368548), (36, 11052755), (42, 9473790), (45, 8842204), (47, 8465940), (60, 6631653), (63, 6315860), (70, 5684274), (84, 4736895), (90, 4421102), (94, 4232970), (105, 3789516), (126, 3157930), (140, 2842137), (141, 2821980), (180, 2210551), (188, 2116485), (210, 1894758), (235, 1693188), (252, 1578965), (282, 1410990), (315, 1263172), (329, 1209420), (420, 947379), (423, 940660), (470, 846594), (564, 705495), (630, 631586), (658, 604710), (705, 564396), (846, 470330), (940, 423297), (987, 403140), (1260, 315793), (1316, 302355), (1410, 282198), (1645, 241884), (1692, 235165), (1974, 201570), (2115, 188132), (2820, 141099), (2961, 134380), (3290, 120942), (3948, 100785), (4230, 94066), (4935, 80628), (5922, 67190), (6580, 60471), (6719, 59220), (8460, 47033), (9870, 40314), (11844, 33595), (13438, 29610), (14805, 26876), (19740, 20157)]