2019660688

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{2503}}^1$

素因数の和:2624

約数の個数: 80

約数和(自身を含む): 4247585280

約数和(自身を除く): 2227924592

約数列:

[1, 2, 4, 8, 16, 29, 37, 47, 58, 74, 94, 116, 148, 188, 232, 296, 376, 464, 592, 752, 1073, 1363, 1739, 2146, 2503, 2726, 3478, 4292, 5006, 5452, 6956, 8584, 10012, 10904, 13912, 17168, 20024, 21808, 27824, 40048, 50431, 72587, 92611, 100862, 117641, 145174, 185222, 201724, 235282, 290348, 370444, 403448, 470564, 580696, 740888, 806896, 941128, 1161392, 1481776, 1882256, 2685719, 3411589, 4352717, 5371438, 6823178, 8705434, 10742876, 13646356, 17410868, 21485752, 27292712, 34821736, 42971504, 54585424, 69643472, 126228793, 252457586, 504915172, 1009830344, 2019660688]

約数ペア:

[(1, 2019660688), (2, 1009830344), (4, 504915172), (8, 252457586), (16, 126228793), (29, 69643472), (37, 54585424), (47, 42971504), (58, 34821736), (74, 27292712), (94, 21485752), (116, 17410868), (148, 13646356), (188, 10742876), (232, 8705434), (296, 6823178), (376, 5371438), (464, 4352717), (592, 3411589), (752, 2685719), (1073, 1882256), (1363, 1481776), (1739, 1161392), (2146, 941128), (2503, 806896), (2726, 740888), (3478, 580696), (4292, 470564), (5006, 403448), (5452, 370444), (6956, 290348), (8584, 235282), (10012, 201724), (10904, 185222), (13912, 145174), (17168, 117641), (20024, 100862), (21808, 92611), (27824, 72587), (40048, 50431)]