38709080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 96519600

約数和(自身を除く): 57810520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 53, 62, 76, 95, 106, 124, 152, 155, 190, 212, 248, 265, 310, 380, 424, 530, 589, 620, 760, 961, 1007, 1060, 1178, 1240, 1643, 1922, 2014, 2120, 2356, 2945, 3286, 3844, 4028, 4712, 4805, 5035, 5890, 6572, 7688, 8056, 8215, 9610, 10070, 11780, 13144, 16430, 18259, 19220, 20140, 23560, 31217, 32860, 36518, 38440, 40280, 50933, 62434, 65720, 73036, 91295, 101866, 124868, 146072, 156085, 182590, 203732, 249736, 254665, 312170, 365180, 407464, 509330, 624340, 730360, 967727, 1018660, 1248680, 1935454, 2037320, 3870908, 4838635, 7741816, 9677270, 19354540, 38709080]

約数ペア:

[(1, 38709080), (2, 19354540), (4, 9677270), (5, 7741816), (8, 4838635), (10, 3870908), (19, 2037320), (20, 1935454), (31, 1248680), (38, 1018660), (40, 967727), (53, 730360), (62, 624340), (76, 509330), (95, 407464), (106, 365180), (124, 312170), (152, 254665), (155, 249736), (190, 203732), (212, 182590), (248, 156085), (265, 146072), (310, 124868), (380, 101866), (424, 91295), (530, 73036), (589, 65720), (620, 62434), (760, 50933), (961, 40280), (1007, 38440), (1060, 36518), (1178, 32860), (1240, 31217), (1643, 23560), (1922, 20140), (2014, 19220), (2120, 18259), (2356, 16430), (2945, 13144), (3286, 11780), (3844, 10070), (4028, 9610), (4712, 8215), (4805, 8056), (5035, 7688), (5890, 6572)]