285330448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 689955840

約数和(自身を除く): 404625392

約数列:

[1, 2, 4, 8, 13, 16, 17, 19, 26, 31, 34, 38, 52, 62, 68, 76, 104, 124, 136, 137, 152, 208, 221, 247, 248, 272, 274, 304, 323, 403, 442, 494, 496, 527, 548, 589, 646, 806, 884, 988, 1054, 1096, 1178, 1292, 1612, 1768, 1781, 1976, 2108, 2192, 2329, 2356, 2584, 2603, 3224, 3536, 3562, 3952, 4199, 4216, 4247, 4658, 4712, 5168, 5206, 6448, 6851, 7124, 7657, 8398, 8432, 8494, 9316, 9424, 10013, 10412, 13702, 14248, 15314, 16796, 16988, 18632, 20026, 20824, 27404, 28496, 30277, 30628, 33592, 33839, 33976, 37264, 40052, 41648, 44251, 54808, 55211, 60554, 61256, 67184, 67678, 67952, 72199, 80104, 80693, 88502, 109616, 110422, 121108, 122512, 130169, 135356, 144398, 160208, 161386, 177004, 220844, 242216, 260338, 270712, 288796, 322772, 354008, 441688, 484432, 520676, 541424, 575263, 577592, 645544, 708016, 883376, 938587, 1041352, 1049009, 1150526, 1155184, 1291088, 1371781, 1877174, 2082704, 2098018, 2301052, 2743562, 3754348, 4196036, 4602104, 5487124, 7508696, 8392072, 9204208, 10974248, 15017392, 16784144, 17833153, 21948496, 35666306, 71332612, 142665224, 285330448]

約数ペア:

[(1, 285330448), (2, 142665224), (4, 71332612), (8, 35666306), (13, 21948496), (16, 17833153), (17, 16784144), (19, 15017392), (26, 10974248), (31, 9204208), (34, 8392072), (38, 7508696), (52, 5487124), (62, 4602104), (68, 4196036), (76, 3754348), (104, 2743562), (124, 2301052), (136, 2098018), (137, 2082704), (152, 1877174), (208, 1371781), (221, 1291088), (247, 1155184), (248, 1150526), (272, 1049009), (274, 1041352), (304, 938587), (323, 883376), (403, 708016), (442, 645544), (494, 577592), (496, 575263), (527, 541424), (548, 520676), (589, 484432), (646, 441688), (806, 354008), (884, 322772), (988, 288796), (1054, 270712), (1096, 260338), (1178, 242216), (1292, 220844), (1612, 177004), (1768, 161386), (1781, 160208), (1976, 144398), (2108, 135356), (2192, 130169), (2329, 122512), (2356, 121108), (2584, 110422), (2603, 109616), (3224, 88502), (3536, 80693), (3562, 80104), (3952, 72199), (4199, 67952), (4216, 67678), (4247, 67184), (4658, 61256), (4712, 60554), (5168, 55211), (5206, 54808), (6448, 44251), (6851, 41648), (7124, 40052), (7657, 37264), (8398, 33976), (8432, 33839), (8494, 33592), (9316, 30628), (9424, 30277), (10013, 28496), (10412, 27404), (13702, 20824), (14248, 20026), (15314, 18632), (16796, 16988)]