28018350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 82695600

約数和(自身を除く): 54677250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 29, 30, 38, 45, 50, 57, 58, 75, 87, 90, 95, 113, 114, 145, 150, 171, 174, 190, 225, 226, 261, 285, 290, 339, 342, 435, 450, 475, 522, 551, 565, 570, 678, 725, 855, 870, 950, 1017, 1102, 1130, 1305, 1425, 1450, 1653, 1695, 1710, 2034, 2147, 2175, 2610, 2755, 2825, 2850, 3277, 3306, 3390, 4275, 4294, 4350, 4959, 5085, 5510, 5650, 6441, 6525, 6554, 8265, 8475, 8550, 9831, 9918, 10170, 10735, 12882, 13050, 13775, 16385, 16530, 16950, 19323, 19662, 21470, 24795, 25425, 27550, 29493, 32205, 32770, 38646, 41325, 49155, 49590, 50850, 53675, 58986, 62263, 64410, 81925, 82650, 96615, 98310, 107350, 123975, 124526, 147465, 161025, 163850, 186789, 193230, 245775, 247950, 294930, 311315, 322050, 373578, 483075, 491550, 560367, 622630, 737325, 933945, 966150, 1120734, 1474650, 1556575, 1867890, 2801835, 3113150, 4669725, 5603670, 9339450, 14009175, 28018350]

約数ペア:

[(1, 28018350), (2, 14009175), (3, 9339450), (5, 5603670), (6, 4669725), (9, 3113150), (10, 2801835), (15, 1867890), (18, 1556575), (19, 1474650), (25, 1120734), (29, 966150), (30, 933945), (38, 737325), (45, 622630), (50, 560367), (57, 491550), (58, 483075), (75, 373578), (87, 322050), (90, 311315), (95, 294930), (113, 247950), (114, 245775), (145, 193230), (150, 186789), (171, 163850), (174, 161025), (190, 147465), (225, 124526), (226, 123975), (261, 107350), (285, 98310), (290, 96615), (339, 82650), (342, 81925), (435, 64410), (450, 62263), (475, 58986), (522, 53675), (551, 50850), (565, 49590), (570, 49155), (678, 41325), (725, 38646), (855, 32770), (870, 32205), (950, 29493), (1017, 27550), (1102, 25425), (1130, 24795), (1305, 21470), (1425, 19662), (1450, 19323), (1653, 16950), (1695, 16530), (1710, 16385), (2034, 13775), (2147, 13050), (2175, 12882), (2610, 10735), (2755, 10170), (2825, 9918), (2850, 9831), (3277, 8550), (3306, 8475), (3390, 8265), (4275, 6554), (4294, 6525), (4350, 6441), (4959, 5650), (5085, 5510)]