28373940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{3217}}^1$

素因数の和:3246

約数の個数: 108

約数和(自身を含む): 100150596

約数和(自身を除く): 71776656

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, 3217, 4410, 6434, 8820, 9651, 12868, 16085, 19302, 22519, 28953, 32170, 38604, 45038, 48255, 57906, 64340, 67557, 90076, 96510, 112595, 115812, 135114, 144765, 157633, 193020, 202671, 225190, 270228, 289530, 315266, 337785, 405342, 450380, 472899, 579060, 630532, 675570, 788165, 810684, 945798, 1013355, 1351140, 1418697, 1576330, 1891596, 2026710, 2364495, 2837394, 3152660, 4053420, 4728990, 5674788, 7093485, 9457980, 14186970, 28373940]

約数ペア:

[(1, 28373940), (2, 14186970), (3, 9457980), (4, 7093485), (5, 5674788), (6, 4728990), (7, 4053420), (9, 3152660), (10, 2837394), (12, 2364495), (14, 2026710), (15, 1891596), (18, 1576330), (20, 1418697), (21, 1351140), (28, 1013355), (30, 945798), (35, 810684), (36, 788165), (42, 675570), (45, 630532), (49, 579060), (60, 472899), (63, 450380), (70, 405342), (84, 337785), (90, 315266), (98, 289530), (105, 270228), (126, 225190), (140, 202671), (147, 193020), (180, 157633), (196, 144765), (210, 135114), (245, 115812), (252, 112595), (294, 96510), (315, 90076), (420, 67557), (441, 64340), (490, 57906), (588, 48255), (630, 45038), (735, 38604), (882, 32170), (980, 28953), (1260, 22519), (1470, 19302), (1764, 16085), (2205, 12868), (2940, 9651), (3217, 8820), (4410, 6434)]