28444140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8317}}^1$

素因数の和:8351

約数の個数: 72

約数和(自身を含む): 90832560

約数和(自身を除く): 62388420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 8317, 16634, 24951, 33268, 41585, 49902, 74853, 83170, 99804, 124755, 149706, 158023, 166340, 249510, 299412, 316046, 374265, 474069, 499020, 632092, 748530, 790115, 948138, 1422207, 1497060, 1580230, 1896276, 2370345, 2844414, 3160460, 4740690, 5688828, 7111035, 9481380, 14222070, 28444140]

約数ペア:

[(1, 28444140), (2, 14222070), (3, 9481380), (4, 7111035), (5, 5688828), (6, 4740690), (9, 3160460), (10, 2844414), (12, 2370345), (15, 1896276), (18, 1580230), (19, 1497060), (20, 1422207), (30, 948138), (36, 790115), (38, 748530), (45, 632092), (57, 499020), (60, 474069), (76, 374265), (90, 316046), (95, 299412), (114, 249510), (171, 166340), (180, 158023), (190, 149706), (228, 124755), (285, 99804), (342, 83170), (380, 74853), (570, 49902), (684, 41585), (855, 33268), (1140, 24951), (1710, 16634), (3420, 8317)]