2198778920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{16453}}^1$

素因数の和:16734

約数の個数: 64

約数和(自身を含む): 5348866320

約数和(自身を除く): 3150087400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 257, 260, 514, 520, 1028, 1285, 2056, 2570, 3341, 5140, 6682, 10280, 13364, 16453, 16705, 26728, 32906, 33410, 65812, 66820, 82265, 131624, 133640, 164530, 213889, 329060, 427778, 658120, 855556, 1069445, 1711112, 2138890, 4228421, 4277780, 8456842, 8555560, 16913684, 21142105, 33827368, 42284210, 54969473, 84568420, 109938946, 169136840, 219877892, 274847365, 439755784, 549694730, 1099389460, 2198778920]

約数ペア:

[(1, 2198778920), (2, 1099389460), (4, 549694730), (5, 439755784), (8, 274847365), (10, 219877892), (13, 169136840), (20, 109938946), (26, 84568420), (40, 54969473), (52, 42284210), (65, 33827368), (104, 21142105), (130, 16913684), (257, 8555560), (260, 8456842), (514, 4277780), (520, 4228421), (1028, 2138890), (1285, 1711112), (2056, 1069445), (2570, 855556), (3341, 658120), (5140, 427778), (6682, 329060), (10280, 213889), (13364, 164530), (16453, 133640), (16705, 131624), (26728, 82265), (32906, 66820), (33410, 65812)]