209630820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:770

約数の個数: 144

約数和(自身を含む): 689931648

約数和(自身を除く): 480300828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 113, 140, 147, 196, 210, 226, 245, 294, 339, 420, 452, 490, 565, 588, 631, 678, 735, 791, 980, 1130, 1262, 1356, 1470, 1582, 1695, 1893, 2260, 2373, 2524, 2940, 3155, 3164, 3390, 3786, 3955, 4417, 4746, 5537, 6310, 6780, 7572, 7910, 8834, 9465, 9492, 11074, 11865, 12620, 13251, 15820, 16611, 17668, 18930, 22085, 22148, 23730, 26502, 27685, 30919, 33222, 37860, 44170, 47460, 53004, 55370, 61838, 66255, 66444, 71303, 83055, 88340, 92757, 110740, 123676, 132510, 142606, 154595, 166110, 185514, 213909, 265020, 285212, 309190, 332220, 356515, 371028, 427818, 463785, 499121, 618380, 713030, 855636, 927570, 998242, 1069545, 1426060, 1497363, 1855140, 1996484, 2139090, 2495605, 2994726, 3493847, 4278180, 4991210, 5989452, 6987694, 7486815, 9982420, 10481541, 13975388, 14973630, 17469235, 20963082, 29947260, 34938470, 41926164, 52407705, 69876940, 104815410, 209630820]

約数ペア:

[(1, 209630820), (2, 104815410), (3, 69876940), (4, 52407705), (5, 41926164), (6, 34938470), (7, 29947260), (10, 20963082), (12, 17469235), (14, 14973630), (15, 13975388), (20, 10481541), (21, 9982420), (28, 7486815), (30, 6987694), (35, 5989452), (42, 4991210), (49, 4278180), (60, 3493847), (70, 2994726), (84, 2495605), (98, 2139090), (105, 1996484), (113, 1855140), (140, 1497363), (147, 1426060), (196, 1069545), (210, 998242), (226, 927570), (245, 855636), (294, 713030), (339, 618380), (420, 499121), (452, 463785), (490, 427818), (565, 371028), (588, 356515), (631, 332220), (678, 309190), (735, 285212), (791, 265020), (980, 213909), (1130, 185514), (1262, 166110), (1356, 154595), (1470, 142606), (1582, 132510), (1695, 123676), (1893, 110740), (2260, 92757), (2373, 88340), (2524, 83055), (2940, 71303), (3155, 66444), (3164, 66255), (3390, 61838), (3786, 55370), (3955, 53004), (4417, 47460), (4746, 44170), (5537, 37860), (6310, 33222), (6780, 30919), (7572, 27685), (7910, 26502), (8834, 23730), (9465, 22148), (9492, 22085), (11074, 18930), (11865, 17668), (12620, 16611), (13251, 15820)]