248610700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 108

約数和(自身を含む): 603346800

約数和(自身を除く): 354736100

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 199, 260, 310, 325, 398, 403, 620, 650, 775, 796, 806, 961, 995, 1300, 1550, 1612, 1922, 1990, 2015, 2587, 3100, 3844, 3980, 4030, 4805, 4975, 5174, 6169, 8060, 9610, 9950, 10075, 10348, 12338, 12493, 12935, 19220, 19900, 20150, 24025, 24676, 24986, 25870, 30845, 40300, 48050, 49972, 51740, 61690, 62465, 64675, 80197, 96100, 123380, 124930, 129350, 154225, 160394, 191239, 249860, 258700, 308450, 312325, 320788, 382478, 400985, 616900, 624650, 764956, 801970, 956195, 1249300, 1603940, 1912390, 2004925, 2486107, 3824780, 4009850, 4780975, 4972214, 8019700, 9561950, 9944428, 12430535, 19123900, 24861070, 49722140, 62152675, 124305350, 248610700]

約数ペア:

[(1, 248610700), (2, 124305350), (4, 62152675), (5, 49722140), (10, 24861070), (13, 19123900), (20, 12430535), (25, 9944428), (26, 9561950), (31, 8019700), (50, 4972214), (52, 4780975), (62, 4009850), (65, 3824780), (100, 2486107), (124, 2004925), (130, 1912390), (155, 1603940), (199, 1249300), (260, 956195), (310, 801970), (325, 764956), (398, 624650), (403, 616900), (620, 400985), (650, 382478), (775, 320788), (796, 312325), (806, 308450), (961, 258700), (995, 249860), (1300, 191239), (1550, 160394), (1612, 154225), (1922, 129350), (1990, 124930), (2015, 123380), (2587, 96100), (3100, 80197), (3844, 64675), (3980, 62465), (4030, 61690), (4805, 51740), (4975, 49972), (5174, 48050), (6169, 40300), (8060, 30845), (9610, 25870), (9950, 24986), (10075, 24676), (10348, 24025), (12338, 20150), (12493, 19900), (12935, 19220)]