399940920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35837}}^1$

素因数の和:35885

約数の個数: 96

約数和(自身を含む): 1341774720

約数和(自身を除く): 941833800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 35837, 71674, 107511, 143348, 179185, 215022, 286696, 322533, 358370, 430044, 537555, 645066, 716740, 860088, 1075110, 1110947, 1290132, 1433480, 1612665, 2150220, 2221894, 2580264, 3225330, 3332841, 4300440, 4443788, 5554735, 6450660, 6665682, 8887576, 9998523, 11109470, 12901320, 13331364, 16664205, 19997046, 22218940, 26662728, 33328410, 39994092, 44437880, 49992615, 66656820, 79988184, 99985230, 133313640, 199970460, 399940920]

約数ペア:

[(1, 399940920), (2, 199970460), (3, 133313640), (4, 99985230), (5, 79988184), (6, 66656820), (8, 49992615), (9, 44437880), (10, 39994092), (12, 33328410), (15, 26662728), (18, 22218940), (20, 19997046), (24, 16664205), (30, 13331364), (31, 12901320), (36, 11109470), (40, 9998523), (45, 8887576), (60, 6665682), (62, 6450660), (72, 5554735), (90, 4443788), (93, 4300440), (120, 3332841), (124, 3225330), (155, 2580264), (180, 2221894), (186, 2150220), (248, 1612665), (279, 1433480), (310, 1290132), (360, 1110947), (372, 1075110), (465, 860088), (558, 716740), (620, 645066), (744, 537555), (930, 430044), (1116, 358370), (1240, 322533), (1395, 286696), (1860, 215022), (2232, 179185), (2790, 143348), (3720, 107511), (5580, 71674), (11160, 35837)]