389313960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1291}}^1$

素因数の和:1671

約数の個数: 128

約数和(自身を含む): 1339545600

約数和(自身を除く): 950231640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 359, 420, 718, 840, 1077, 1291, 1436, 1795, 2154, 2513, 2582, 2872, 3590, 3873, 4308, 5026, 5164, 5385, 6455, 7180, 7539, 7746, 8616, 9037, 10052, 10328, 10770, 12565, 12910, 14360, 15078, 15492, 18074, 19365, 20104, 21540, 25130, 25820, 27111, 30156, 30984, 36148, 37695, 38730, 43080, 45185, 50260, 51640, 54222, 60312, 72296, 75390, 77460, 90370, 100520, 108444, 135555, 150780, 154920, 180740, 216888, 271110, 301560, 361480, 463469, 542220, 926938, 1084440, 1390407, 1853876, 2317345, 2780814, 3244283, 3707752, 4634690, 5561628, 6488566, 6952035, 9269380, 9732849, 11123256, 12977132, 13904070, 16221415, 18538760, 19465698, 25954264, 27808140, 32442830, 38931396, 48664245, 55616280, 64885660, 77862792, 97328490, 129771320, 194656980, 389313960]

約数ペア:

[(1, 389313960), (2, 194656980), (3, 129771320), (4, 97328490), (5, 77862792), (6, 64885660), (7, 55616280), (8, 48664245), (10, 38931396), (12, 32442830), (14, 27808140), (15, 25954264), (20, 19465698), (21, 18538760), (24, 16221415), (28, 13904070), (30, 12977132), (35, 11123256), (40, 9732849), (42, 9269380), (56, 6952035), (60, 6488566), (70, 5561628), (84, 4634690), (105, 3707752), (120, 3244283), (140, 2780814), (168, 2317345), (210, 1853876), (280, 1390407), (359, 1084440), (420, 926938), (718, 542220), (840, 463469), (1077, 361480), (1291, 301560), (1436, 271110), (1795, 216888), (2154, 180740), (2513, 154920), (2582, 150780), (2872, 135555), (3590, 108444), (3873, 100520), (4308, 90370), (5026, 77460), (5164, 75390), (5385, 72296), (6455, 60312), (7180, 54222), (7539, 51640), (7746, 50260), (8616, 45185), (9037, 43080), (10052, 38730), (10328, 37695), (10770, 36148), (12565, 30984), (12910, 30156), (14360, 27111), (15078, 25820), (15492, 25130), (18074, 21540), (19365, 20104)]