188545140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{21377}}^1$

素因数の和:21406

約数の個数: 108

約数和(自身を含む): 665326116

約数和(自身を除く): 476780976

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 21377, 42754, 64131, 85508, 106885, 128262, 149639, 192393, 213770, 256524, 299278, 320655, 384786, 427540, 448917, 598556, 641310, 748195, 769572, 897834, 961965, 1047473, 1282620, 1346751, 1496390, 1795668, 1923930, 2094946, 2244585, 2693502, 2992780, 3142419, 3847860, 4189892, 4489170, 5237365, 5387004, 6284838, 6733755, 8978340, 9427257, 10474730, 12569676, 13467510, 15712095, 18854514, 20949460, 26935020, 31424190, 37709028, 47136285, 62848380, 94272570, 188545140]

約数ペア:

[(1, 188545140), (2, 94272570), (3, 62848380), (4, 47136285), (5, 37709028), (6, 31424190), (7, 26935020), (9, 20949460), (10, 18854514), (12, 15712095), (14, 13467510), (15, 12569676), (18, 10474730), (20, 9427257), (21, 8978340), (28, 6733755), (30, 6284838), (35, 5387004), (36, 5237365), (42, 4489170), (45, 4189892), (49, 3847860), (60, 3142419), (63, 2992780), (70, 2693502), (84, 2244585), (90, 2094946), (98, 1923930), (105, 1795668), (126, 1496390), (140, 1346751), (147, 1282620), (180, 1047473), (196, 961965), (210, 897834), (245, 769572), (252, 748195), (294, 641310), (315, 598556), (420, 448917), (441, 427540), (490, 384786), (588, 320655), (630, 299278), (735, 256524), (882, 213770), (980, 192393), (1260, 149639), (1470, 128262), (1764, 106885), (2205, 85508), (2940, 64131), (4410, 42754), (8820, 21377)]