200820728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 456192000

約数和(自身を除く): 255371272

約数列:

[1, 2, 4, 8, 17, 19, 23, 31, 34, 38, 46, 62, 68, 76, 92, 109, 124, 136, 152, 184, 218, 248, 323, 391, 436, 437, 527, 589, 646, 713, 782, 872, 874, 1054, 1178, 1292, 1426, 1564, 1748, 1853, 2071, 2108, 2356, 2507, 2584, 2852, 3128, 3379, 3496, 3706, 4142, 4216, 4712, 5014, 5704, 6758, 7412, 7429, 8284, 10013, 10028, 12121, 13516, 13547, 14824, 14858, 16568, 20026, 20056, 24242, 27032, 27094, 29716, 35207, 40052, 42619, 47633, 48484, 54188, 57443, 59432, 64201, 70414, 77717, 80104, 85238, 95266, 96968, 108376, 114886, 128402, 140828, 155434, 170476, 190532, 229772, 230299, 256804, 281656, 310868, 340952, 381064, 459544, 460598, 513608, 621736, 809761, 921196, 1091417, 1321189, 1476623, 1619522, 1842392, 2182834, 2642378, 2953246, 3239044, 4365668, 5284756, 5906492, 6478088, 8731336, 10569512, 11812984, 25102591, 50205182, 100410364, 200820728]

約数ペア:

[(1, 200820728), (2, 100410364), (4, 50205182), (8, 25102591), (17, 11812984), (19, 10569512), (23, 8731336), (31, 6478088), (34, 5906492), (38, 5284756), (46, 4365668), (62, 3239044), (68, 2953246), (76, 2642378), (92, 2182834), (109, 1842392), (124, 1619522), (136, 1476623), (152, 1321189), (184, 1091417), (218, 921196), (248, 809761), (323, 621736), (391, 513608), (436, 460598), (437, 459544), (527, 381064), (589, 340952), (646, 310868), (713, 281656), (782, 256804), (872, 230299), (874, 229772), (1054, 190532), (1178, 170476), (1292, 155434), (1426, 140828), (1564, 128402), (1748, 114886), (1853, 108376), (2071, 96968), (2108, 95266), (2356, 85238), (2507, 80104), (2584, 77717), (2852, 70414), (3128, 64201), (3379, 59432), (3496, 57443), (3706, 54188), (4142, 48484), (4216, 47633), (4712, 42619), (5014, 40052), (5704, 35207), (6758, 29716), (7412, 27094), (7429, 27032), (8284, 24242), (10013, 20056), (10028, 20026), (12121, 16568), (13516, 14858), (13547, 14824)]