12390700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 31775744

約数和(自身を除く): 19385044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 50, 62, 70, 100, 124, 140, 155, 175, 217, 310, 350, 434, 571, 620, 700, 775, 868, 1085, 1142, 1550, 2170, 2284, 2855, 3100, 3997, 4340, 5425, 5710, 7994, 10850, 11420, 14275, 15988, 17701, 19985, 21700, 28550, 35402, 39970, 57100, 70804, 79940, 88505, 99925, 123907, 177010, 199850, 247814, 354020, 399700, 442525, 495628, 619535, 885050, 1239070, 1770100, 2478140, 3097675, 6195350, 12390700]

約数ペア:

[(1, 12390700), (2, 6195350), (4, 3097675), (5, 2478140), (7, 1770100), (10, 1239070), (14, 885050), (20, 619535), (25, 495628), (28, 442525), (31, 399700), (35, 354020), (50, 247814), (62, 199850), (70, 177010), (100, 123907), (124, 99925), (140, 88505), (155, 79940), (175, 70804), (217, 57100), (310, 39970), (350, 35402), (434, 28550), (571, 21700), (620, 19985), (700, 17701), (775, 15988), (868, 14275), (1085, 11420), (1142, 10850), (1550, 7994), (2170, 5710), (2284, 5425), (2855, 4340), (3100, 3997)]