129428000

素因数分解:

$2^5\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 363242880

約数和(自身を除く): 233814880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 125, 130, 131, 152, 160, 190, 200, 208, 247, 250, 260, 262, 304, 325, 380, 400, 416, 475, 494, 500, 520, 524, 608, 650, 655, 760, 800, 950, 988, 1000, 1040, 1048, 1235, 1300, 1310, 1520, 1625, 1703, 1900, 1976, 2000, 2080, 2096, 2375, 2470, 2489, 2600, 2620, 3040, 3250, 3275, 3406, 3800, 3952, 4000, 4192, 4750, 4940, 4978, 5200, 5240, 6175, 6500, 6550, 6812, 7600, 7904, 8515, 9500, 9880, 9956, 10400, 10480, 12350, 12445, 13000, 13100, 13624, 15200, 16375, 17030, 19000, 19760, 19912, 20960, 24700, 24890, 26000, 26200, 27248, 30875, 32357, 32750, 34060, 38000, 39520, 39824, 42575, 49400, 49780, 52000, 52400, 54496, 61750, 62225, 64714, 65500, 68120, 76000, 79648, 85150, 98800, 99560, 104800, 123500, 124450, 129428, 131000, 136240, 161785, 170300, 197600, 199120, 212875, 247000, 248900, 258856, 262000, 272480, 311125, 323570, 340600, 398240, 425750, 494000, 497800, 517712, 524000, 622250, 647140, 681200, 808925, 851500, 988000, 995600, 1035424, 1244500, 1294280, 1362400, 1617850, 1703000, 1991200, 2489000, 2588560, 3235700, 3406000, 4044625, 4978000, 5177120, 6471400, 6812000, 8089250, 9956000, 12942800, 16178500, 25885600, 32357000, 64714000, 129428000]

約数ペア:

[(1, 129428000), (2, 64714000), (4, 32357000), (5, 25885600), (8, 16178500), (10, 12942800), (13, 9956000), (16, 8089250), (19, 6812000), (20, 6471400), (25, 5177120), (26, 4978000), (32, 4044625), (38, 3406000), (40, 3235700), (50, 2588560), (52, 2489000), (65, 1991200), (76, 1703000), (80, 1617850), (95, 1362400), (100, 1294280), (104, 1244500), (125, 1035424), (130, 995600), (131, 988000), (152, 851500), (160, 808925), (190, 681200), (200, 647140), (208, 622250), (247, 524000), (250, 517712), (260, 497800), (262, 494000), (304, 425750), (325, 398240), (380, 340600), (400, 323570), (416, 311125), (475, 272480), (494, 262000), (500, 258856), (520, 248900), (524, 247000), (608, 212875), (650, 199120), (655, 197600), (760, 170300), (800, 161785), (950, 136240), (988, 131000), (1000, 129428), (1040, 124450), (1048, 123500), (1235, 104800), (1300, 99560), (1310, 98800), (1520, 85150), (1625, 79648), (1703, 76000), (1900, 68120), (1976, 65500), (2000, 64714), (2080, 62225), (2096, 61750), (2375, 54496), (2470, 52400), (2489, 52000), (2600, 49780), (2620, 49400), (3040, 42575), (3250, 39824), (3275, 39520), (3406, 38000), (3800, 34060), (3952, 32750), (4000, 32357), (4192, 30875), (4750, 27248), (4940, 26200), (4978, 26000), (5200, 24890), (5240, 24700), (6175, 20960), (6500, 19912), (6550, 19760), (6812, 19000), (7600, 17030), (7904, 16375), (8515, 15200), (9500, 13624), (9880, 13100), (9956, 13000), (10400, 12445), (10480, 12350)]