28379700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{457}}^1$

素因数の和:503

約数の個数: 144

約数和(自身を含む): 95410560

約数和(自身を除く): 67030860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 25, 27, 30, 36, 45, 46, 50, 54, 60, 69, 75, 90, 92, 100, 108, 115, 135, 138, 150, 180, 207, 225, 230, 270, 276, 300, 345, 414, 450, 457, 460, 540, 575, 621, 675, 690, 828, 900, 914, 1035, 1150, 1242, 1350, 1371, 1380, 1725, 1828, 2070, 2285, 2300, 2484, 2700, 2742, 3105, 3450, 4113, 4140, 4570, 5175, 5484, 6210, 6855, 6900, 8226, 9140, 10350, 10511, 11425, 12339, 12420, 13710, 15525, 16452, 20565, 20700, 21022, 22850, 24678, 27420, 31050, 31533, 34275, 41130, 42044, 45700, 49356, 52555, 61695, 62100, 63066, 68550, 82260, 94599, 102825, 105110, 123390, 126132, 137100, 157665, 189198, 205650, 210220, 246780, 262775, 283797, 308475, 315330, 378396, 411300, 472995, 525550, 567594, 616950, 630660, 788325, 945990, 1051100, 1135188, 1233900, 1418985, 1576650, 1891980, 2364975, 2837970, 3153300, 4729950, 5675940, 7094925, 9459900, 14189850, 28379700]

約数ペア:

[(1, 28379700), (2, 14189850), (3, 9459900), (4, 7094925), (5, 5675940), (6, 4729950), (9, 3153300), (10, 2837970), (12, 2364975), (15, 1891980), (18, 1576650), (20, 1418985), (23, 1233900), (25, 1135188), (27, 1051100), (30, 945990), (36, 788325), (45, 630660), (46, 616950), (50, 567594), (54, 525550), (60, 472995), (69, 411300), (75, 378396), (90, 315330), (92, 308475), (100, 283797), (108, 262775), (115, 246780), (135, 210220), (138, 205650), (150, 189198), (180, 157665), (207, 137100), (225, 126132), (230, 123390), (270, 105110), (276, 102825), (300, 94599), (345, 82260), (414, 68550), (450, 63066), (457, 62100), (460, 61695), (540, 52555), (575, 49356), (621, 45700), (675, 42044), (690, 41130), (828, 34275), (900, 31533), (914, 31050), (1035, 27420), (1150, 24678), (1242, 22850), (1350, 21022), (1371, 20700), (1380, 20565), (1725, 16452), (1828, 15525), (2070, 13710), (2285, 12420), (2300, 12339), (2484, 11425), (2700, 10511), (2742, 10350), (3105, 9140), (3450, 8226), (4113, 6900), (4140, 6855), (4570, 6210), (5175, 5484)]