8163604820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{373}}^1\times {\mathrm{971}}^1$

素因数の和:1390

約数の個数: 144

約数和(自身を含む): 20886864768

約数和(自身を除く): 12723259948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 373, 460, 490, 644, 746, 805, 971, 980, 1127, 1492, 1610, 1865, 1942, 2254, 2611, 3220, 3730, 3884, 4508, 4855, 5222, 5635, 6797, 7460, 8579, 9710, 10444, 11270, 13055, 13594, 17158, 18277, 19420, 22333, 22540, 26110, 27188, 33985, 34316, 36554, 42895, 44666, 47579, 52220, 60053, 67970, 73108, 85790, 89332, 91385, 95158, 111665, 120106, 135940, 156331, 171580, 182770, 190316, 223330, 237895, 240212, 300265, 312662, 362183, 365540, 420371, 446660, 475790, 600530, 625324, 724366, 781655, 840742, 951580, 1094317, 1201060, 1448732, 1563310, 1681484, 1810915, 2101855, 2188634, 2535281, 3126620, 3621830, 4203710, 4377268, 5070562, 5471585, 7243660, 8330209, 8407420, 10141124, 10943170, 12676405, 16660418, 17746967, 21886340, 25352810, 33320836, 35493934, 41651045, 50705620, 58311463, 70987868, 83302090, 88734835, 116622926, 166604180, 177469670, 233245852, 291557315, 354939340, 408180241, 583114630, 816360482, 1166229260, 1632720964, 2040901205, 4081802410, 8163604820]

約数ペア:

[(1, 8163604820), (2, 4081802410), (4, 2040901205), (5, 1632720964), (7, 1166229260), (10, 816360482), (14, 583114630), (20, 408180241), (23, 354939340), (28, 291557315), (35, 233245852), (46, 177469670), (49, 166604180), (70, 116622926), (92, 88734835), (98, 83302090), (115, 70987868), (140, 58311463), (161, 50705620), (196, 41651045), (230, 35493934), (245, 33320836), (322, 25352810), (373, 21886340), (460, 17746967), (490, 16660418), (644, 12676405), (746, 10943170), (805, 10141124), (971, 8407420), (980, 8330209), (1127, 7243660), (1492, 5471585), (1610, 5070562), (1865, 4377268), (1942, 4203710), (2254, 3621830), (2611, 3126620), (3220, 2535281), (3730, 2188634), (3884, 2101855), (4508, 1810915), (4855, 1681484), (5222, 1563310), (5635, 1448732), (6797, 1201060), (7460, 1094317), (8579, 951580), (9710, 840742), (10444, 781655), (11270, 724366), (13055, 625324), (13594, 600530), (17158, 475790), (18277, 446660), (19420, 420371), (22333, 365540), (22540, 362183), (26110, 312662), (27188, 300265), (33985, 240212), (34316, 237895), (36554, 223330), (42895, 190316), (44666, 182770), (47579, 171580), (52220, 156331), (60053, 135940), (67970, 120106), (73108, 111665), (85790, 95158), (89332, 91385)]