219097900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 577463040

約数和(自身を除く): 358365140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 43, 50, 58, 70, 86, 100, 116, 140, 145, 172, 175, 203, 215, 251, 290, 301, 350, 406, 430, 502, 580, 602, 700, 725, 812, 860, 1004, 1015, 1075, 1204, 1247, 1255, 1450, 1505, 1757, 2030, 2150, 2494, 2510, 2900, 3010, 3514, 4060, 4300, 4988, 5020, 5075, 6020, 6235, 6275, 7028, 7279, 7525, 8729, 8785, 10150, 10793, 12470, 12550, 14558, 15050, 17458, 17570, 20300, 21586, 24940, 25100, 29116, 30100, 31175, 34916, 35140, 36395, 43172, 43645, 43925, 50953, 53965, 62350, 72790, 75551, 87290, 87850, 101906, 107930, 124700, 145580, 151102, 174580, 175700, 181975, 203812, 215860, 218225, 254765, 269825, 302204, 312997, 363950, 377755, 436450, 509530, 539650, 625994, 727900, 755510, 872900, 1019060, 1079300, 1251988, 1273825, 1511020, 1564985, 1888775, 2190979, 2547650, 3129970, 3777550, 4381958, 5095300, 6259940, 7555100, 7824925, 8763916, 10954895, 15649850, 21909790, 31299700, 43819580, 54774475, 109548950, 219097900]

約数ペア:

[(1, 219097900), (2, 109548950), (4, 54774475), (5, 43819580), (7, 31299700), (10, 21909790), (14, 15649850), (20, 10954895), (25, 8763916), (28, 7824925), (29, 7555100), (35, 6259940), (43, 5095300), (50, 4381958), (58, 3777550), (70, 3129970), (86, 2547650), (100, 2190979), (116, 1888775), (140, 1564985), (145, 1511020), (172, 1273825), (175, 1251988), (203, 1079300), (215, 1019060), (251, 872900), (290, 755510), (301, 727900), (350, 625994), (406, 539650), (430, 509530), (502, 436450), (580, 377755), (602, 363950), (700, 312997), (725, 302204), (812, 269825), (860, 254765), (1004, 218225), (1015, 215860), (1075, 203812), (1204, 181975), (1247, 175700), (1255, 174580), (1450, 151102), (1505, 145580), (1757, 124700), (2030, 107930), (2150, 101906), (2494, 87850), (2510, 87290), (2900, 75551), (3010, 72790), (3514, 62350), (4060, 53965), (4300, 50953), (4988, 43925), (5020, 43645), (5075, 43172), (6020, 36395), (6235, 35140), (6275, 34916), (7028, 31175), (7279, 30100), (7525, 29116), (8729, 25100), (8785, 24940), (10150, 21586), (10793, 20300), (12470, 17570), (12550, 17458), (14558, 15050)]