49820540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 139962816

約数和(自身を除く): 90142276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 121, 140, 154, 170, 173, 187, 220, 238, 242, 308, 340, 346, 374, 385, 476, 484, 595, 605, 692, 748, 770, 847, 865, 935, 1190, 1210, 1211, 1309, 1540, 1694, 1730, 1870, 1903, 2057, 2380, 2420, 2422, 2618, 2941, 3388, 3460, 3740, 3806, 4114, 4235, 4844, 5236, 5882, 6055, 6545, 7612, 8228, 8470, 9515, 10285, 11764, 12110, 13090, 13321, 14399, 14705, 16940, 19030, 20570, 20587, 20933, 24220, 26180, 26642, 28798, 29410, 32351, 38060, 41140, 41174, 41866, 53284, 57596, 58820, 64702, 66605, 71995, 82348, 83732, 102935, 104665, 129404, 133210, 143990, 146531, 161755, 205870, 209330, 226457, 266420, 287980, 293062, 323510, 355861, 411740, 418660, 452914, 586124, 647020, 711722, 732655, 905828, 1132285, 1423444, 1465310, 1779305, 2264570, 2491027, 2930620, 3558610, 4529140, 4982054, 7117220, 9964108, 12455135, 24910270, 49820540]

約数ペア:

[(1, 49820540), (2, 24910270), (4, 12455135), (5, 9964108), (7, 7117220), (10, 4982054), (11, 4529140), (14, 3558610), (17, 2930620), (20, 2491027), (22, 2264570), (28, 1779305), (34, 1465310), (35, 1423444), (44, 1132285), (55, 905828), (68, 732655), (70, 711722), (77, 647020), (85, 586124), (110, 452914), (119, 418660), (121, 411740), (140, 355861), (154, 323510), (170, 293062), (173, 287980), (187, 266420), (220, 226457), (238, 209330), (242, 205870), (308, 161755), (340, 146531), (346, 143990), (374, 133210), (385, 129404), (476, 104665), (484, 102935), (595, 83732), (605, 82348), (692, 71995), (748, 66605), (770, 64702), (847, 58820), (865, 57596), (935, 53284), (1190, 41866), (1210, 41174), (1211, 41140), (1309, 38060), (1540, 32351), (1694, 29410), (1730, 28798), (1870, 26642), (1903, 26180), (2057, 24220), (2380, 20933), (2420, 20587), (2422, 20570), (2618, 19030), (2941, 16940), (3388, 14705), (3460, 14399), (3740, 13321), (3806, 13090), (4114, 12110), (4235, 11764), (4844, 10285), (5236, 9515), (5882, 8470), (6055, 8228), (6545, 7612)]