49996426420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{3221}}^1$

素因数の和:3961

約数の個数: 96

約数和(自身を含む): 112944658176

約数和(自身を除く): 62948231756

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 643, 710, 1207, 1286, 1420, 2414, 2572, 3215, 3221, 4828, 6035, 6430, 6442, 10931, 12070, 12860, 12884, 16105, 21862, 24140, 32210, 43724, 45653, 54655, 54757, 64420, 91306, 109310, 109514, 182612, 218620, 219028, 228265, 228691, 273785, 456530, 457382, 547570, 776101, 913060, 914764, 1095140, 1143455, 1552202, 2071103, 2286910, 3104404, 3880505, 3887747, 4142206, 4573820, 7761010, 7775494, 8284412, 10355515, 15522020, 15550988, 19438735, 20711030, 35208751, 38877470, 41422060, 70417502, 77754940, 140835004, 147048313, 176043755, 294096626, 352087510, 588193252, 704175020, 735241565, 1470483130, 2499821321, 2940966260, 4999642642, 9999285284, 12499106605, 24998213210, 49996426420]

約数ペア:

[(1, 49996426420), (2, 24998213210), (4, 12499106605), (5, 9999285284), (10, 4999642642), (17, 2940966260), (20, 2499821321), (34, 1470483130), (68, 735241565), (71, 704175020), (85, 588193252), (142, 352087510), (170, 294096626), (284, 176043755), (340, 147048313), (355, 140835004), (643, 77754940), (710, 70417502), (1207, 41422060), (1286, 38877470), (1420, 35208751), (2414, 20711030), (2572, 19438735), (3215, 15550988), (3221, 15522020), (4828, 10355515), (6035, 8284412), (6430, 7775494), (6442, 7761010), (10931, 4573820), (12070, 4142206), (12860, 3887747), (12884, 3880505), (16105, 3104404), (21862, 2286910), (24140, 2071103), (32210, 1552202), (43724, 1143455), (45653, 1095140), (54655, 914764), (54757, 913060), (64420, 776101), (91306, 547570), (109310, 457382), (109514, 456530), (182612, 273785), (218620, 228691), (219028, 228265)]