984908440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:581

約数の個数: 128

約数和(自身を含む): 2410560000

約数和(自身を除く): 1425651560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 61, 62, 116, 122, 124, 145, 155, 232, 244, 248, 290, 305, 310, 449, 488, 580, 610, 620, 898, 899, 1160, 1220, 1240, 1769, 1796, 1798, 1891, 2245, 2440, 3538, 3592, 3596, 3782, 4490, 4495, 7076, 7192, 7564, 8845, 8980, 8990, 9455, 13021, 13919, 14152, 15128, 17690, 17960, 17980, 18910, 26042, 27389, 27838, 35380, 35960, 37820, 52084, 54778, 54839, 55676, 65105, 69595, 70760, 75640, 104168, 109556, 109678, 111352, 130210, 136945, 139190, 219112, 219356, 260420, 273890, 274195, 278380, 403651, 438712, 520840, 547780, 548390, 556760, 794281, 807302, 849059, 1095560, 1096780, 1588562, 1614604, 1698118, 2018255, 2193560, 3177124, 3229208, 3396236, 3971405, 4036510, 4245295, 6354248, 6792472, 7942810, 8073020, 8490590, 15885620, 16146040, 16981180, 24622711, 31771240, 33962360, 49245422, 98490844, 123113555, 196981688, 246227110, 492454220, 984908440]

約数ペア:

[(1, 984908440), (2, 492454220), (4, 246227110), (5, 196981688), (8, 123113555), (10, 98490844), (20, 49245422), (29, 33962360), (31, 31771240), (40, 24622711), (58, 16981180), (61, 16146040), (62, 15885620), (116, 8490590), (122, 8073020), (124, 7942810), (145, 6792472), (155, 6354248), (232, 4245295), (244, 4036510), (248, 3971405), (290, 3396236), (305, 3229208), (310, 3177124), (449, 2193560), (488, 2018255), (580, 1698118), (610, 1614604), (620, 1588562), (898, 1096780), (899, 1095560), (1160, 849059), (1220, 807302), (1240, 794281), (1769, 556760), (1796, 548390), (1798, 547780), (1891, 520840), (2245, 438712), (2440, 403651), (3538, 278380), (3592, 274195), (3596, 273890), (3782, 260420), (4490, 219356), (4495, 219112), (7076, 139190), (7192, 136945), (7564, 130210), (8845, 111352), (8980, 109678), (8990, 109556), (9455, 104168), (13021, 75640), (13919, 70760), (14152, 69595), (15128, 65105), (17690, 55676), (17960, 54839), (17980, 54778), (18910, 52084), (26042, 37820), (27389, 35960), (27838, 35380)]