78254800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 205846200

約数和(自身を除く): 127591400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 101, 104, 130, 149, 200, 202, 208, 260, 298, 325, 400, 404, 505, 520, 596, 650, 745, 808, 1010, 1040, 1192, 1300, 1313, 1490, 1616, 1937, 2020, 2384, 2525, 2600, 2626, 2980, 3725, 3874, 4040, 5050, 5200, 5252, 5960, 6565, 7450, 7748, 8080, 9685, 10100, 10504, 11920, 13130, 14900, 15049, 15496, 19370, 20200, 21008, 26260, 29800, 30098, 30992, 32825, 38740, 40400, 48425, 52520, 59600, 60196, 65650, 75245, 77480, 96850, 105040, 120392, 131300, 150490, 154960, 193700, 195637, 240784, 262600, 300980, 376225, 387400, 391274, 525200, 601960, 752450, 774800, 782548, 978185, 1203920, 1504900, 1565096, 1956370, 3009800, 3130192, 3912740, 4890925, 6019600, 7825480, 9781850, 15650960, 19563700, 39127400, 78254800]

約数ペア:

[(1, 78254800), (2, 39127400), (4, 19563700), (5, 15650960), (8, 9781850), (10, 7825480), (13, 6019600), (16, 4890925), (20, 3912740), (25, 3130192), (26, 3009800), (40, 1956370), (50, 1565096), (52, 1504900), (65, 1203920), (80, 978185), (100, 782548), (101, 774800), (104, 752450), (130, 601960), (149, 525200), (200, 391274), (202, 387400), (208, 376225), (260, 300980), (298, 262600), (325, 240784), (400, 195637), (404, 193700), (505, 154960), (520, 150490), (596, 131300), (650, 120392), (745, 105040), (808, 96850), (1010, 77480), (1040, 75245), (1192, 65650), (1300, 60196), (1313, 59600), (1490, 52520), (1616, 48425), (1937, 40400), (2020, 38740), (2384, 32825), (2525, 30992), (2600, 30098), (2626, 29800), (2980, 26260), (3725, 21008), (3874, 20200), (4040, 19370), (5050, 15496), (5200, 15049), (5252, 14900), (5960, 13130), (6565, 11920), (7450, 10504), (7748, 10100), (8080, 9685)]