65278300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 164989440

約数和(自身を除く): 99711140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 43, 47, 50, 68, 76, 85, 86, 94, 95, 100, 170, 172, 188, 190, 215, 235, 323, 340, 380, 425, 430, 470, 475, 646, 731, 799, 817, 850, 860, 893, 940, 950, 1075, 1175, 1292, 1462, 1598, 1615, 1634, 1700, 1786, 1900, 2021, 2150, 2350, 2924, 3196, 3230, 3268, 3572, 3655, 3995, 4042, 4085, 4300, 4465, 4700, 6460, 7310, 7990, 8075, 8084, 8170, 8930, 10105, 13889, 14620, 15181, 15980, 16150, 16340, 17860, 18275, 19975, 20210, 20425, 22325, 27778, 30362, 32300, 34357, 36550, 38399, 39950, 40420, 40850, 44650, 50525, 55556, 60724, 68714, 69445, 73100, 75905, 76798, 79900, 81700, 89300, 101050, 137428, 138890, 151810, 153596, 171785, 191995, 202100, 277780, 303620, 343570, 347225, 379525, 383990, 652783, 687140, 694450, 759050, 767980, 858925, 959975, 1305566, 1388900, 1518100, 1717850, 1919950, 2611132, 3263915, 3435700, 3839900, 6527830, 13055660, 16319575, 32639150, 65278300]

約数ペア:

[(1, 65278300), (2, 32639150), (4, 16319575), (5, 13055660), (10, 6527830), (17, 3839900), (19, 3435700), (20, 3263915), (25, 2611132), (34, 1919950), (38, 1717850), (43, 1518100), (47, 1388900), (50, 1305566), (68, 959975), (76, 858925), (85, 767980), (86, 759050), (94, 694450), (95, 687140), (100, 652783), (170, 383990), (172, 379525), (188, 347225), (190, 343570), (215, 303620), (235, 277780), (323, 202100), (340, 191995), (380, 171785), (425, 153596), (430, 151810), (470, 138890), (475, 137428), (646, 101050), (731, 89300), (799, 81700), (817, 79900), (850, 76798), (860, 75905), (893, 73100), (940, 69445), (950, 68714), (1075, 60724), (1175, 55556), (1292, 50525), (1462, 44650), (1598, 40850), (1615, 40420), (1634, 39950), (1700, 38399), (1786, 36550), (1900, 34357), (2021, 32300), (2150, 30362), (2350, 27778), (2924, 22325), (3196, 20425), (3230, 20210), (3268, 19975), (3572, 18275), (3655, 17860), (3995, 16340), (4042, 16150), (4085, 15980), (4300, 15181), (4465, 14620), (4700, 13889), (6460, 10105), (7310, 8930), (7990, 8170), (8075, 8084)]