628756492

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 1482638080

約数和(自身を除く): 853881588

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 43, 52, 68, 86, 91, 119, 139, 172, 182, 221, 238, 278, 289, 301, 364, 442, 476, 556, 559, 578, 602, 731, 884, 973, 1118, 1156, 1204, 1462, 1547, 1807, 1946, 2023, 2236, 2363, 2924, 3094, 3614, 3757, 3892, 3913, 4046, 4726, 5117, 5977, 6188, 7228, 7514, 7826, 8092, 9452, 9503, 10234, 11954, 12427, 12649, 15028, 15652, 16541, 19006, 20468, 23908, 24854, 25298, 26299, 30719, 33082, 38012, 40171, 41839, 49708, 50596, 52598, 61438, 66164, 66521, 77701, 80342, 83678, 86989, 101609, 105196, 122876, 133042, 155402, 160684, 161551, 167356, 173978, 203218, 215033, 266084, 281197, 310804, 323102, 347956, 406436, 430066, 522223, 543907, 562394, 646204, 711263, 860132, 1044446, 1087814, 1124788, 1130857, 1320917, 1422526, 1727353, 2088892, 2175628, 2261714, 2641834, 2845052, 3454706, 3655561, 4523428, 5283668, 6909412, 7311122, 9246419, 12091471, 14622244, 18492838, 22455589, 24182942, 36985676, 44911178, 48365884, 89822356, 157189123, 314378246, 628756492]

約数ペア:

[(1, 628756492), (2, 314378246), (4, 157189123), (7, 89822356), (13, 48365884), (14, 44911178), (17, 36985676), (26, 24182942), (28, 22455589), (34, 18492838), (43, 14622244), (52, 12091471), (68, 9246419), (86, 7311122), (91, 6909412), (119, 5283668), (139, 4523428), (172, 3655561), (182, 3454706), (221, 2845052), (238, 2641834), (278, 2261714), (289, 2175628), (301, 2088892), (364, 1727353), (442, 1422526), (476, 1320917), (556, 1130857), (559, 1124788), (578, 1087814), (602, 1044446), (731, 860132), (884, 711263), (973, 646204), (1118, 562394), (1156, 543907), (1204, 522223), (1462, 430066), (1547, 406436), (1807, 347956), (1946, 323102), (2023, 310804), (2236, 281197), (2363, 266084), (2924, 215033), (3094, 203218), (3614, 173978), (3757, 167356), (3892, 161551), (3913, 160684), (4046, 155402), (4726, 133042), (5117, 122876), (5977, 105196), (6188, 101609), (7228, 86989), (7514, 83678), (7826, 80342), (8092, 77701), (9452, 66521), (9503, 66164), (10234, 61438), (11954, 52598), (12427, 50596), (12649, 49708), (15028, 41839), (15652, 40171), (16541, 38012), (19006, 33082), (20468, 30719), (23908, 26299), (24854, 25298)]