28492020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2814

約数の個数: 96

約数和(自身を含む): 93340800

約数和(自身を除く): 64848780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 2777, 3420, 5130, 5554, 8331, 10260, 11108, 13885, 16662, 24993, 27770, 33324, 41655, 49986, 52763, 55540, 74979, 83310, 99972, 105526, 124965, 149958, 158289, 166620, 211052, 249930, 263815, 299916, 316578, 374895, 474867, 499860, 527630, 633156, 749790, 791445, 949734, 1055260, 1424601, 1499580, 1582890, 1899468, 2374335, 2849202, 3165780, 4748670, 5698404, 7123005, 9497340, 14246010, 28492020]

約数ペア:

[(1, 28492020), (2, 14246010), (3, 9497340), (4, 7123005), (5, 5698404), (6, 4748670), (9, 3165780), (10, 2849202), (12, 2374335), (15, 1899468), (18, 1582890), (19, 1499580), (20, 1424601), (27, 1055260), (30, 949734), (36, 791445), (38, 749790), (45, 633156), (54, 527630), (57, 499860), (60, 474867), (76, 374895), (90, 316578), (95, 299916), (108, 263815), (114, 249930), (135, 211052), (171, 166620), (180, 158289), (190, 149958), (228, 124965), (270, 105526), (285, 99972), (342, 83310), (380, 74979), (513, 55540), (540, 52763), (570, 49986), (684, 41655), (855, 33324), (1026, 27770), (1140, 24993), (1710, 16662), (2052, 13885), (2565, 11108), (2777, 10260), (3420, 8331), (5130, 5554)]