28697200

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 81216032

約数和(自身を除く): 52518832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 140, 148, 175, 185, 200, 259, 277, 280, 296, 350, 370, 400, 518, 554, 560, 592, 700, 740, 925, 1036, 1108, 1295, 1385, 1400, 1480, 1850, 1939, 2072, 2216, 2590, 2770, 2800, 2960, 3700, 3878, 4144, 4432, 5180, 5540, 6475, 6925, 7400, 7756, 9695, 10249, 10360, 11080, 12950, 13850, 14800, 15512, 19390, 20498, 20720, 22160, 25900, 27700, 31024, 38780, 40996, 48475, 51245, 51800, 55400, 71743, 77560, 81992, 96950, 102490, 103600, 110800, 143486, 155120, 163984, 193900, 204980, 256225, 286972, 358715, 387800, 409960, 512450, 573944, 717430, 775600, 819920, 1024900, 1147888, 1434860, 1793575, 2049800, 2869720, 3587150, 4099600, 5739440, 7174300, 14348600, 28697200]

約数ペア:

[(1, 28697200), (2, 14348600), (4, 7174300), (5, 5739440), (7, 4099600), (8, 3587150), (10, 2869720), (14, 2049800), (16, 1793575), (20, 1434860), (25, 1147888), (28, 1024900), (35, 819920), (37, 775600), (40, 717430), (50, 573944), (56, 512450), (70, 409960), (74, 387800), (80, 358715), (100, 286972), (112, 256225), (140, 204980), (148, 193900), (175, 163984), (185, 155120), (200, 143486), (259, 110800), (277, 103600), (280, 102490), (296, 96950), (350, 81992), (370, 77560), (400, 71743), (518, 55400), (554, 51800), (560, 51245), (592, 48475), (700, 40996), (740, 38780), (925, 31024), (1036, 27700), (1108, 25900), (1295, 22160), (1385, 20720), (1400, 20498), (1480, 19390), (1850, 15512), (1939, 14800), (2072, 13850), (2216, 12950), (2590, 11080), (2770, 10360), (2800, 10249), (2960, 9695), (3700, 7756), (3878, 7400), (4144, 6925), (4432, 6475), (5180, 5540)]