386967280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{8747}}^1$

素因数の和:8846

約数の個数: 80

約数和(自身を含む): 1041361920

約数和(自身を除く): 654394640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8747, 8848, 11060, 17494, 22120, 34988, 43735, 44240, 61229, 69976, 87470, 122458, 139952, 174940, 244916, 306145, 349880, 489832, 612290, 691013, 699760, 979664, 1224580, 1382026, 2449160, 2764052, 3455065, 4837091, 4898320, 5528104, 6910130, 9674182, 11056208, 13820260, 19348364, 24185455, 27640520, 38696728, 48370910, 55281040, 77393456, 96741820, 193483640, 386967280]

約数ペア:

[(1, 386967280), (2, 193483640), (4, 96741820), (5, 77393456), (7, 55281040), (8, 48370910), (10, 38696728), (14, 27640520), (16, 24185455), (20, 19348364), (28, 13820260), (35, 11056208), (40, 9674182), (56, 6910130), (70, 5528104), (79, 4898320), (80, 4837091), (112, 3455065), (140, 2764052), (158, 2449160), (280, 1382026), (316, 1224580), (395, 979664), (553, 699760), (560, 691013), (632, 612290), (790, 489832), (1106, 349880), (1264, 306145), (1580, 244916), (2212, 174940), (2765, 139952), (3160, 122458), (4424, 87470), (5530, 69976), (6320, 61229), (8747, 44240), (8848, 43735), (11060, 34988), (17494, 22120)]