28864290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 86929920

約数和(自身を除く): 58065630

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 97, 105, 109, 130, 182, 194, 195, 210, 218, 273, 291, 327, 390, 455, 485, 545, 546, 582, 654, 679, 763, 910, 970, 1090, 1261, 1358, 1365, 1417, 1455, 1526, 1635, 2037, 2289, 2522, 2730, 2834, 2910, 3270, 3395, 3783, 3815, 4074, 4251, 4578, 6305, 6790, 7085, 7566, 7630, 8502, 8827, 9919, 10185, 10573, 11445, 12610, 14170, 17654, 18915, 19838, 20370, 21146, 21255, 22890, 26481, 29757, 31719, 37830, 42510, 44135, 49595, 52865, 52962, 59514, 63438, 74011, 88270, 99190, 105730, 132405, 137449, 148022, 148785, 158595, 222033, 264810, 274898, 297570, 317190, 370055, 412347, 444066, 687245, 740110, 824694, 962143, 1110165, 1374490, 1924286, 2061735, 2220330, 2886429, 4123470, 4810715, 5772858, 9621430, 14432145, 28864290]

約数ペア:

[(1, 28864290), (2, 14432145), (3, 9621430), (5, 5772858), (6, 4810715), (7, 4123470), (10, 2886429), (13, 2220330), (14, 2061735), (15, 1924286), (21, 1374490), (26, 1110165), (30, 962143), (35, 824694), (39, 740110), (42, 687245), (65, 444066), (70, 412347), (78, 370055), (91, 317190), (97, 297570), (105, 274898), (109, 264810), (130, 222033), (182, 158595), (194, 148785), (195, 148022), (210, 137449), (218, 132405), (273, 105730), (291, 99190), (327, 88270), (390, 74011), (455, 63438), (485, 59514), (545, 52962), (546, 52865), (582, 49595), (654, 44135), (679, 42510), (763, 37830), (910, 31719), (970, 29757), (1090, 26481), (1261, 22890), (1358, 21255), (1365, 21146), (1417, 20370), (1455, 19838), (1526, 18915), (1635, 17654), (2037, 14170), (2289, 12610), (2522, 11445), (2730, 10573), (2834, 10185), (2910, 9919), (3270, 8827), (3395, 8502), (3783, 7630), (3815, 7566), (4074, 7085), (4251, 6790), (4578, 6305)]