488651480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{4261}}^1$

素因数の和:4380

約数の個数: 64

約数和(自身を含む): 1141534080

約数和(自身を除く): 652882600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 61, 94, 122, 188, 235, 244, 305, 376, 470, 488, 610, 940, 1220, 1880, 2440, 2867, 4261, 5734, 8522, 11468, 14335, 17044, 21305, 22936, 28670, 34088, 42610, 57340, 85220, 114680, 170440, 200267, 259921, 400534, 519842, 801068, 1001335, 1039684, 1299605, 1602136, 2002670, 2079368, 2599210, 4005340, 5198420, 8010680, 10396840, 12216287, 24432574, 48865148, 61081435, 97730296, 122162870, 244325740, 488651480]

約数ペア:

[(1, 488651480), (2, 244325740), (4, 122162870), (5, 97730296), (8, 61081435), (10, 48865148), (20, 24432574), (40, 12216287), (47, 10396840), (61, 8010680), (94, 5198420), (122, 4005340), (188, 2599210), (235, 2079368), (244, 2002670), (305, 1602136), (376, 1299605), (470, 1039684), (488, 1001335), (610, 801068), (940, 519842), (1220, 400534), (1880, 259921), (2440, 200267), (2867, 170440), (4261, 114680), (5734, 85220), (8522, 57340), (11468, 42610), (14335, 34088), (17044, 28670), (21305, 22936)]