208040700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:812

約数の個数: 144

約数和(自身を含む): 693400064

約数和(自身を除く): 485359364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 157, 175, 210, 300, 314, 350, 420, 471, 525, 628, 631, 700, 785, 942, 1050, 1099, 1262, 1570, 1884, 1893, 2100, 2198, 2355, 2524, 3140, 3155, 3297, 3786, 3925, 4396, 4417, 4710, 5495, 6310, 6594, 7572, 7850, 8834, 9420, 9465, 10990, 11775, 12620, 13188, 13251, 15700, 15775, 16485, 17668, 18930, 21980, 22085, 23550, 26502, 27475, 31550, 32970, 37860, 44170, 47100, 47325, 53004, 54950, 63100, 65940, 66255, 82425, 88340, 94650, 99067, 109900, 110425, 132510, 164850, 189300, 198134, 220850, 265020, 297201, 329700, 331275, 396268, 441700, 495335, 594402, 662550, 693469, 990670, 1188804, 1325100, 1386938, 1486005, 1981340, 2080407, 2476675, 2773876, 2972010, 3467345, 4160814, 4953350, 5944020, 6934690, 7430025, 8321628, 9906700, 10402035, 13869380, 14860050, 17336725, 20804070, 29720100, 34673450, 41608140, 52010175, 69346900, 104020350, 208040700]

約数ペア:

[(1, 208040700), (2, 104020350), (3, 69346900), (4, 52010175), (5, 41608140), (6, 34673450), (7, 29720100), (10, 20804070), (12, 17336725), (14, 14860050), (15, 13869380), (20, 10402035), (21, 9906700), (25, 8321628), (28, 7430025), (30, 6934690), (35, 5944020), (42, 4953350), (50, 4160814), (60, 3467345), (70, 2972010), (75, 2773876), (84, 2476675), (100, 2080407), (105, 1981340), (140, 1486005), (150, 1386938), (157, 1325100), (175, 1188804), (210, 990670), (300, 693469), (314, 662550), (350, 594402), (420, 495335), (471, 441700), (525, 396268), (628, 331275), (631, 329700), (700, 297201), (785, 265020), (942, 220850), (1050, 198134), (1099, 189300), (1262, 164850), (1570, 132510), (1884, 110425), (1893, 109900), (2100, 99067), (2198, 94650), (2355, 88340), (2524, 82425), (3140, 66255), (3155, 65940), (3297, 63100), (3786, 54950), (3925, 53004), (4396, 47325), (4417, 47100), (4710, 44170), (5495, 37860), (6310, 32970), (6594, 31550), (7572, 27475), (7850, 26502), (8834, 23550), (9420, 22085), (9465, 21980), (10990, 18930), (11775, 17668), (12620, 16485), (13188, 15775), (13251, 15700)]