289320560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{587}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 691643232

約数和(自身を除く): 402322672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 101, 122, 202, 244, 305, 404, 488, 505, 587, 610, 808, 976, 1010, 1174, 1220, 1616, 2020, 2348, 2440, 2935, 4040, 4696, 4880, 5870, 6161, 8080, 9392, 11740, 12322, 23480, 24644, 30805, 35807, 46960, 49288, 59287, 61610, 71614, 98576, 118574, 123220, 143228, 179035, 237148, 246440, 286456, 296435, 358070, 474296, 492880, 572912, 592870, 716140, 948592, 1185740, 1432280, 2371480, 2864560, 3616507, 4742960, 7233014, 14466028, 18082535, 28932056, 36165070, 57864112, 72330140, 144660280, 289320560]

約数ペア:

[(1, 289320560), (2, 144660280), (4, 72330140), (5, 57864112), (8, 36165070), (10, 28932056), (16, 18082535), (20, 14466028), (40, 7233014), (61, 4742960), (80, 3616507), (101, 2864560), (122, 2371480), (202, 1432280), (244, 1185740), (305, 948592), (404, 716140), (488, 592870), (505, 572912), (587, 492880), (610, 474296), (808, 358070), (976, 296435), (1010, 286456), (1174, 246440), (1220, 237148), (1616, 179035), (2020, 143228), (2348, 123220), (2440, 118574), (2935, 98576), (4040, 71614), (4696, 61610), (4880, 59287), (5870, 49288), (6161, 46960), (8080, 35807), (9392, 30805), (11740, 24644), (12322, 23480)]