280888972

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4793}}^1$

素因数の和:4847

約数の個数: 72

約数和(自身を含む): 642702816

約数和(自身を除く): 361813844

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 322, 364, 598, 637, 644, 1127, 1196, 1274, 2093, 2254, 2548, 4186, 4508, 4793, 8372, 9586, 14651, 19172, 29302, 33551, 58604, 62309, 67102, 110239, 124618, 134204, 220478, 234857, 249236, 436163, 440956, 469714, 771673, 872326, 939428, 1433107, 1543346, 1744652, 2866214, 3053141, 3086692, 5401711, 5732428, 6106282, 10031749, 10803422, 12212564, 20063498, 21606844, 40126996, 70222243, 140444486, 280888972]

約数ペア:

[(1, 280888972), (2, 140444486), (4, 70222243), (7, 40126996), (13, 21606844), (14, 20063498), (23, 12212564), (26, 10803422), (28, 10031749), (46, 6106282), (49, 5732428), (52, 5401711), (91, 3086692), (92, 3053141), (98, 2866214), (161, 1744652), (182, 1543346), (196, 1433107), (299, 939428), (322, 872326), (364, 771673), (598, 469714), (637, 440956), (644, 436163), (1127, 249236), (1196, 234857), (1274, 220478), (2093, 134204), (2254, 124618), (2548, 110239), (4186, 67102), (4508, 62309), (4793, 58604), (8372, 33551), (9586, 29302), (14651, 19172)]