77732500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 120

約数和(自身を含む): 188939520

約数和(自身を除く): 111207020

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 59, 62, 68, 85, 100, 118, 124, 125, 155, 170, 236, 250, 295, 310, 340, 425, 500, 527, 590, 620, 625, 775, 850, 1003, 1054, 1180, 1250, 1475, 1550, 1700, 1829, 2006, 2108, 2125, 2500, 2635, 2950, 3100, 3658, 3875, 4012, 4250, 5015, 5270, 5900, 7316, 7375, 7750, 8500, 9145, 10030, 10540, 10625, 13175, 14750, 15500, 18290, 19375, 20060, 21250, 25075, 26350, 29500, 31093, 36580, 36875, 38750, 42500, 45725, 50150, 52700, 62186, 65875, 73750, 77500, 91450, 100300, 124372, 125375, 131750, 147500, 155465, 182900, 228625, 250750, 263500, 310930, 329375, 457250, 501500, 621860, 626875, 658750, 777325, 914500, 1143125, 1253750, 1317500, 1554650, 2286250, 2507500, 3109300, 3886625, 4572500, 7773250, 15546500, 19433125, 38866250, 77732500]

約数ペア:

[(1, 77732500), (2, 38866250), (4, 19433125), (5, 15546500), (10, 7773250), (17, 4572500), (20, 3886625), (25, 3109300), (31, 2507500), (34, 2286250), (50, 1554650), (59, 1317500), (62, 1253750), (68, 1143125), (85, 914500), (100, 777325), (118, 658750), (124, 626875), (125, 621860), (155, 501500), (170, 457250), (236, 329375), (250, 310930), (295, 263500), (310, 250750), (340, 228625), (425, 182900), (500, 155465), (527, 147500), (590, 131750), (620, 125375), (625, 124372), (775, 100300), (850, 91450), (1003, 77500), (1054, 73750), (1180, 65875), (1250, 62186), (1475, 52700), (1550, 50150), (1700, 45725), (1829, 42500), (2006, 38750), (2108, 36875), (2125, 36580), (2500, 31093), (2635, 29500), (2950, 26350), (3100, 25075), (3658, 21250), (3875, 20060), (4012, 19375), (4250, 18290), (5015, 15500), (5270, 14750), (5900, 13175), (7316, 10625), (7375, 10540), (7750, 10030), (8500, 9145)]