388583440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:717

約数の個数: 160

約数和(自身を含む): 1107072000

約数和(自身を除く): 718488560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 59, 70, 76, 80, 95, 112, 118, 133, 140, 152, 190, 236, 266, 280, 295, 304, 380, 413, 472, 532, 560, 590, 619, 665, 760, 826, 944, 1064, 1121, 1180, 1238, 1330, 1520, 1652, 2065, 2128, 2242, 2360, 2476, 2660, 3095, 3304, 4130, 4333, 4484, 4720, 4952, 5320, 5605, 6190, 6608, 7847, 8260, 8666, 8968, 9904, 10640, 11210, 11761, 12380, 15694, 16520, 17332, 17936, 21665, 22420, 23522, 24760, 31388, 33040, 34664, 36521, 39235, 43330, 44840, 47044, 49520, 58805, 62776, 69328, 73042, 78470, 82327, 86660, 89680, 94088, 117610, 125552, 146084, 156940, 164654, 173320, 182605, 188176, 235220, 255647, 292168, 313880, 329308, 346640, 365210, 411635, 470440, 511294, 584336, 627760, 658616, 693899, 730420, 823270, 940880, 1022588, 1278235, 1317232, 1387798, 1460840, 1646540, 2045176, 2556470, 2775596, 2921680, 3293080, 3469495, 4090352, 4857293, 5112940, 5551192, 6586160, 6938990, 9714586, 10225880, 11102384, 13877980, 19429172, 20451760, 24286465, 27755960, 38858344, 48572930, 55511920, 77716688, 97145860, 194291720, 388583440]

約数ペア:

[(1, 388583440), (2, 194291720), (4, 97145860), (5, 77716688), (7, 55511920), (8, 48572930), (10, 38858344), (14, 27755960), (16, 24286465), (19, 20451760), (20, 19429172), (28, 13877980), (35, 11102384), (38, 10225880), (40, 9714586), (56, 6938990), (59, 6586160), (70, 5551192), (76, 5112940), (80, 4857293), (95, 4090352), (112, 3469495), (118, 3293080), (133, 2921680), (140, 2775596), (152, 2556470), (190, 2045176), (236, 1646540), (266, 1460840), (280, 1387798), (295, 1317232), (304, 1278235), (380, 1022588), (413, 940880), (472, 823270), (532, 730420), (560, 693899), (590, 658616), (619, 627760), (665, 584336), (760, 511294), (826, 470440), (944, 411635), (1064, 365210), (1121, 346640), (1180, 329308), (1238, 313880), (1330, 292168), (1520, 255647), (1652, 235220), (2065, 188176), (2128, 182605), (2242, 173320), (2360, 164654), (2476, 156940), (2660, 146084), (3095, 125552), (3304, 117610), (4130, 94088), (4333, 89680), (4484, 86660), (4720, 82327), (4952, 78470), (5320, 73042), (5605, 69328), (6190, 62776), (6608, 58805), (7847, 49520), (8260, 47044), (8666, 44840), (8968, 43330), (9904, 39235), (10640, 36521), (11210, 34664), (11761, 33040), (12380, 31388), (15694, 24760), (16520, 23522), (17332, 22420), (17936, 21665)]