77860000

素因数分解:

$2^5\times 5^4\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:276

約数の個数: 120

約数和(自身を含む): 203700420

約数和(自身を除く): 125840420

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 125, 136, 160, 170, 200, 229, 250, 272, 340, 400, 425, 458, 500, 544, 625, 680, 800, 850, 916, 1000, 1145, 1250, 1360, 1700, 1832, 2000, 2125, 2290, 2500, 2720, 3400, 3664, 3893, 4000, 4250, 4580, 5000, 5725, 6800, 7328, 7786, 8500, 9160, 10000, 10625, 11450, 13600, 15572, 17000, 18320, 19465, 20000, 21250, 22900, 28625, 31144, 34000, 36640, 38930, 42500, 45800, 57250, 62288, 68000, 77860, 85000, 91600, 97325, 114500, 124576, 143125, 155720, 170000, 183200, 194650, 229000, 286250, 311440, 340000, 389300, 458000, 486625, 572500, 622880, 778600, 916000, 973250, 1145000, 1557200, 1946500, 2290000, 2433125, 3114400, 3893000, 4580000, 4866250, 7786000, 9732500, 15572000, 19465000, 38930000, 77860000]

約数ペア:

[(1, 77860000), (2, 38930000), (4, 19465000), (5, 15572000), (8, 9732500), (10, 7786000), (16, 4866250), (17, 4580000), (20, 3893000), (25, 3114400), (32, 2433125), (34, 2290000), (40, 1946500), (50, 1557200), (68, 1145000), (80, 973250), (85, 916000), (100, 778600), (125, 622880), (136, 572500), (160, 486625), (170, 458000), (200, 389300), (229, 340000), (250, 311440), (272, 286250), (340, 229000), (400, 194650), (425, 183200), (458, 170000), (500, 155720), (544, 143125), (625, 124576), (680, 114500), (800, 97325), (850, 91600), (916, 85000), (1000, 77860), (1145, 68000), (1250, 62288), (1360, 57250), (1700, 45800), (1832, 42500), (2000, 38930), (2125, 36640), (2290, 34000), (2500, 31144), (2720, 28625), (3400, 22900), (3664, 21250), (3893, 20000), (4000, 19465), (4250, 18320), (4580, 17000), (5000, 15572), (5725, 13600), (6800, 11450), (7328, 10625), (7786, 10000), (8500, 9160)]