12894140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3018

約数の個数: 48

約数和(自身を含む): 31954944

約数和(自身を除く): 19060804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 2971, 4340, 5942, 11884, 14855, 20797, 29710, 41594, 59420, 83188, 92101, 103985, 184202, 207970, 368404, 415940, 460505, 644707, 921010, 1289414, 1842020, 2578828, 3223535, 6447070, 12894140]

約数ペア:

[(1, 12894140), (2, 6447070), (4, 3223535), (5, 2578828), (7, 1842020), (10, 1289414), (14, 921010), (20, 644707), (28, 460505), (31, 415940), (35, 368404), (62, 207970), (70, 184202), (124, 103985), (140, 92101), (155, 83188), (217, 59420), (310, 41594), (434, 29710), (620, 20797), (868, 14855), (1085, 11884), (2170, 5942), (2971, 4340)]