371457520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 160

約数和(自身を含む): 1036540800

約数和(自身を除く): 665083280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 89, 112, 116, 140, 145, 178, 203, 232, 257, 280, 290, 356, 406, 445, 464, 514, 560, 580, 623, 712, 812, 890, 1015, 1028, 1160, 1246, 1285, 1424, 1624, 1780, 1799, 2030, 2056, 2320, 2492, 2570, 2581, 3115, 3248, 3560, 3598, 4060, 4112, 4984, 5140, 5162, 6230, 7120, 7196, 7453, 8120, 8995, 9968, 10280, 10324, 12460, 12905, 14392, 14906, 16240, 17990, 18067, 20560, 20648, 22873, 24920, 25810, 28784, 29812, 35980, 36134, 37265, 41296, 45746, 49840, 51620, 52171, 59624, 71960, 72268, 74530, 90335, 91492, 103240, 104342, 114365, 119248, 143920, 144536, 149060, 160111, 180670, 182984, 206480, 208684, 228730, 260855, 289072, 298120, 320222, 361340, 365968, 417368, 457460, 521710, 596240, 640444, 663317, 722680, 800555, 834736, 914920, 1043420, 1280888, 1326634, 1445360, 1601110, 1829840, 2086840, 2561776, 2653268, 3202220, 3316585, 4173680, 4643219, 5306536, 6404440, 6633170, 9286438, 10613072, 12808880, 13266340, 18572876, 23216095, 26532680, 37145752, 46432190, 53065360, 74291504, 92864380, 185728760, 371457520]

約数ペア:

[(1, 371457520), (2, 185728760), (4, 92864380), (5, 74291504), (7, 53065360), (8, 46432190), (10, 37145752), (14, 26532680), (16, 23216095), (20, 18572876), (28, 13266340), (29, 12808880), (35, 10613072), (40, 9286438), (56, 6633170), (58, 6404440), (70, 5306536), (80, 4643219), (89, 4173680), (112, 3316585), (116, 3202220), (140, 2653268), (145, 2561776), (178, 2086840), (203, 1829840), (232, 1601110), (257, 1445360), (280, 1326634), (290, 1280888), (356, 1043420), (406, 914920), (445, 834736), (464, 800555), (514, 722680), (560, 663317), (580, 640444), (623, 596240), (712, 521710), (812, 457460), (890, 417368), (1015, 365968), (1028, 361340), (1160, 320222), (1246, 298120), (1285, 289072), (1424, 260855), (1624, 228730), (1780, 208684), (1799, 206480), (2030, 182984), (2056, 180670), (2320, 160111), (2492, 149060), (2570, 144536), (2581, 143920), (3115, 119248), (3248, 114365), (3560, 104342), (3598, 103240), (4060, 91492), (4112, 90335), (4984, 74530), (5140, 72268), (5162, 71960), (6230, 59624), (7120, 52171), (7196, 51620), (7453, 49840), (8120, 45746), (8995, 41296), (9968, 37265), (10280, 36134), (10324, 35980), (12460, 29812), (12905, 28784), (14392, 25810), (14906, 24920), (16240, 22873), (17990, 20648), (18067, 20560)]