28397700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 108

約数和(自身を含む): 90046320

約数和(自身を除く): 61648620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 139, 150, 180, 225, 227, 278, 300, 417, 450, 454, 556, 681, 695, 834, 900, 908, 1135, 1251, 1362, 1390, 1668, 2043, 2085, 2270, 2502, 2724, 2780, 3405, 3475, 4086, 4170, 4540, 5004, 5675, 6255, 6810, 6950, 8172, 8340, 10215, 10425, 11350, 12510, 13620, 13900, 17025, 20430, 20850, 22700, 25020, 31275, 31553, 34050, 40860, 41700, 51075, 62550, 63106, 68100, 94659, 102150, 125100, 126212, 157765, 189318, 204300, 283977, 315530, 378636, 473295, 567954, 631060, 788825, 946590, 1135908, 1419885, 1577650, 1893180, 2366475, 2839770, 3155300, 4732950, 5679540, 7099425, 9465900, 14198850, 28397700]

約数ペア:

[(1, 28397700), (2, 14198850), (3, 9465900), (4, 7099425), (5, 5679540), (6, 4732950), (9, 3155300), (10, 2839770), (12, 2366475), (15, 1893180), (18, 1577650), (20, 1419885), (25, 1135908), (30, 946590), (36, 788825), (45, 631060), (50, 567954), (60, 473295), (75, 378636), (90, 315530), (100, 283977), (139, 204300), (150, 189318), (180, 157765), (225, 126212), (227, 125100), (278, 102150), (300, 94659), (417, 68100), (450, 63106), (454, 62550), (556, 51075), (681, 41700), (695, 40860), (834, 34050), (900, 31553), (908, 31275), (1135, 25020), (1251, 22700), (1362, 20850), (1390, 20430), (1668, 17025), (2043, 13900), (2085, 13620), (2270, 12510), (2502, 11350), (2724, 10425), (2780, 10215), (3405, 8340), (3475, 8172), (4086, 6950), (4170, 6810), (4540, 6255), (5004, 5675)]