490869680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1657}}^1$

素因数の和:1723

約数の個数: 120

約数和(自身を含む): 1364308512

約数和(自身を除く): 873438832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 529, 560, 644, 805, 920, 1058, 1288, 1610, 1657, 1840, 2116, 2576, 2645, 3220, 3314, 3703, 4232, 5290, 6440, 6628, 7406, 8285, 8464, 10580, 11599, 12880, 13256, 14812, 16570, 18515, 21160, 23198, 26512, 29624, 33140, 37030, 38111, 42320, 46396, 57995, 59248, 66280, 74060, 76222, 92792, 115990, 132560, 148120, 152444, 185584, 190555, 231980, 266777, 296240, 304888, 381110, 463960, 533554, 609776, 762220, 876553, 927920, 1067108, 1333885, 1524440, 1753106, 2134216, 2667770, 3048880, 3506212, 4268432, 4382765, 5335540, 6135871, 7012424, 8765530, 10671080, 12271742, 14024848, 17531060, 21342160, 24543484, 30679355, 35062120, 49086968, 61358710, 70124240, 98173936, 122717420, 245434840, 490869680]

約数ペア:

[(1, 490869680), (2, 245434840), (4, 122717420), (5, 98173936), (7, 70124240), (8, 61358710), (10, 49086968), (14, 35062120), (16, 30679355), (20, 24543484), (23, 21342160), (28, 17531060), (35, 14024848), (40, 12271742), (46, 10671080), (56, 8765530), (70, 7012424), (80, 6135871), (92, 5335540), (112, 4382765), (115, 4268432), (140, 3506212), (161, 3048880), (184, 2667770), (230, 2134216), (280, 1753106), (322, 1524440), (368, 1333885), (460, 1067108), (529, 927920), (560, 876553), (644, 762220), (805, 609776), (920, 533554), (1058, 463960), (1288, 381110), (1610, 304888), (1657, 296240), (1840, 266777), (2116, 231980), (2576, 190555), (2645, 185584), (3220, 152444), (3314, 148120), (3703, 132560), (4232, 115990), (5290, 92792), (6440, 76222), (6628, 74060), (7406, 66280), (8285, 59248), (8464, 57995), (10580, 46396), (11599, 42320), (12880, 38111), (13256, 37030), (14812, 33140), (16570, 29624), (18515, 26512), (21160, 23198)]