145220000

素因数分解:

$2^5\times 5^4\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:220

約数の個数: 120

約数和(自身を含む): 366660756

約数和(自身を除く): 221440756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 125, 137, 160, 200, 212, 250, 265, 274, 400, 424, 500, 530, 548, 625, 685, 800, 848, 1000, 1060, 1096, 1250, 1325, 1370, 1696, 2000, 2120, 2192, 2500, 2650, 2740, 3425, 4000, 4240, 4384, 5000, 5300, 5480, 6625, 6850, 7261, 8480, 10000, 10600, 10960, 13250, 13700, 14522, 17125, 20000, 21200, 21920, 26500, 27400, 29044, 33125, 34250, 36305, 42400, 53000, 54800, 58088, 66250, 68500, 72610, 85625, 106000, 109600, 116176, 132500, 137000, 145220, 171250, 181525, 212000, 232352, 265000, 274000, 290440, 342500, 363050, 530000, 548000, 580880, 685000, 726100, 907625, 1060000, 1161760, 1370000, 1452200, 1815250, 2740000, 2904400, 3630500, 4538125, 5808800, 7261000, 9076250, 14522000, 18152500, 29044000, 36305000, 72610000, 145220000]

約数ペア:

[(1, 145220000), (2, 72610000), (4, 36305000), (5, 29044000), (8, 18152500), (10, 14522000), (16, 9076250), (20, 7261000), (25, 5808800), (32, 4538125), (40, 3630500), (50, 2904400), (53, 2740000), (80, 1815250), (100, 1452200), (106, 1370000), (125, 1161760), (137, 1060000), (160, 907625), (200, 726100), (212, 685000), (250, 580880), (265, 548000), (274, 530000), (400, 363050), (424, 342500), (500, 290440), (530, 274000), (548, 265000), (625, 232352), (685, 212000), (800, 181525), (848, 171250), (1000, 145220), (1060, 137000), (1096, 132500), (1250, 116176), (1325, 109600), (1370, 106000), (1696, 85625), (2000, 72610), (2120, 68500), (2192, 66250), (2500, 58088), (2650, 54800), (2740, 53000), (3425, 42400), (4000, 36305), (4240, 34250), (4384, 33125), (5000, 29044), (5300, 27400), (5480, 26500), (6625, 21920), (6850, 21200), (7261, 20000), (8480, 17125), (10000, 14522), (10600, 13700), (10960, 13250)]