389747120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1019}}^1$

素因数の和:1722

約数の個数: 80

約数和(自身を含む): 1038147840

約数和(自身を除く): 648400720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 683, 1019, 1366, 2038, 2732, 3415, 4076, 4781, 5095, 5464, 6830, 7133, 8152, 9562, 10190, 10928, 13660, 14266, 16304, 19124, 20380, 23905, 27320, 28532, 35665, 38248, 40760, 47810, 54640, 57064, 71330, 76496, 81520, 95620, 114128, 142660, 191240, 285320, 382480, 570640, 695977, 1391954, 2783908, 3479885, 4871839, 5567816, 6959770, 9743678, 11135632, 13919540, 19487356, 24359195, 27839080, 38974712, 48718390, 55678160, 77949424, 97436780, 194873560, 389747120]

約数ペア:

[(1, 389747120), (2, 194873560), (4, 97436780), (5, 77949424), (7, 55678160), (8, 48718390), (10, 38974712), (14, 27839080), (16, 24359195), (20, 19487356), (28, 13919540), (35, 11135632), (40, 9743678), (56, 6959770), (70, 5567816), (80, 4871839), (112, 3479885), (140, 2783908), (280, 1391954), (560, 695977), (683, 570640), (1019, 382480), (1366, 285320), (2038, 191240), (2732, 142660), (3415, 114128), (4076, 95620), (4781, 81520), (5095, 76496), (5464, 71330), (6830, 57064), (7133, 54640), (8152, 47810), (9562, 40760), (10190, 38248), (10928, 35665), (13660, 28532), (14266, 27320), (16304, 23905), (19124, 20380)]