140423940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4969}}^1$

素因数の和:5141

約数の個数: 72

約数和(自身を含む): 428751960

約数和(自身を除く): 288328020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 4969, 5652, 7065, 9420, 9938, 14130, 14907, 19876, 24845, 28260, 29814, 44721, 49690, 59628, 74535, 89442, 99380, 149070, 178884, 223605, 298140, 447210, 780133, 894420, 1560266, 2340399, 3120532, 3900665, 4680798, 7021197, 7801330, 9361596, 11701995, 14042394, 15602660, 23403990, 28084788, 35105985, 46807980, 70211970, 140423940]

約数ペア:

[(1, 140423940), (2, 70211970), (3, 46807980), (4, 35105985), (5, 28084788), (6, 23403990), (9, 15602660), (10, 14042394), (12, 11701995), (15, 9361596), (18, 7801330), (20, 7021197), (30, 4680798), (36, 3900665), (45, 3120532), (60, 2340399), (90, 1560266), (157, 894420), (180, 780133), (314, 447210), (471, 298140), (628, 223605), (785, 178884), (942, 149070), (1413, 99380), (1570, 89442), (1884, 74535), (2355, 59628), (2826, 49690), (3140, 44721), (4710, 29814), (4969, 28260), (5652, 24845), (7065, 19876), (9420, 14907), (9938, 14130)]