344847100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 855500800

約数和(自身を除く): 510653700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 43, 50, 52, 62, 65, 86, 100, 124, 130, 155, 172, 199, 215, 260, 310, 325, 398, 403, 430, 559, 620, 650, 775, 796, 806, 860, 995, 1075, 1118, 1300, 1333, 1550, 1612, 1990, 2015, 2150, 2236, 2587, 2666, 2795, 3100, 3980, 4030, 4300, 4975, 5174, 5332, 5590, 6169, 6665, 8060, 8557, 9950, 10075, 10348, 11180, 12338, 12935, 13330, 13975, 17114, 17329, 19900, 20150, 24676, 25870, 26660, 27950, 30845, 33325, 34228, 34658, 40300, 42785, 51740, 55900, 61690, 64675, 66650, 69316, 80197, 85570, 86645, 111241, 123380, 129350, 133300, 154225, 160394, 171140, 173290, 213925, 222482, 258700, 265267, 308450, 320788, 346580, 400985, 427850, 433225, 444964, 530534, 556205, 616900, 801970, 855700, 866450, 1061068, 1112410, 1326335, 1603940, 1732900, 2004925, 2224820, 2652670, 2781025, 3448471, 4009850, 5305340, 5562050, 6631675, 6896942, 8019700, 11124100, 13263350, 13793884, 17242355, 26526700, 34484710, 68969420, 86211775, 172423550, 344847100]

約数ペア:

[(1, 344847100), (2, 172423550), (4, 86211775), (5, 68969420), (10, 34484710), (13, 26526700), (20, 17242355), (25, 13793884), (26, 13263350), (31, 11124100), (43, 8019700), (50, 6896942), (52, 6631675), (62, 5562050), (65, 5305340), (86, 4009850), (100, 3448471), (124, 2781025), (130, 2652670), (155, 2224820), (172, 2004925), (199, 1732900), (215, 1603940), (260, 1326335), (310, 1112410), (325, 1061068), (398, 866450), (403, 855700), (430, 801970), (559, 616900), (620, 556205), (650, 530534), (775, 444964), (796, 433225), (806, 427850), (860, 400985), (995, 346580), (1075, 320788), (1118, 308450), (1300, 265267), (1333, 258700), (1550, 222482), (1612, 213925), (1990, 173290), (2015, 171140), (2150, 160394), (2236, 154225), (2587, 133300), (2666, 129350), (2795, 123380), (3100, 111241), (3980, 86645), (4030, 85570), (4300, 80197), (4975, 69316), (5174, 66650), (5332, 64675), (5590, 61690), (6169, 55900), (6665, 51740), (8060, 42785), (8557, 40300), (9950, 34658), (10075, 34228), (10348, 33325), (11180, 30845), (12338, 27950), (12935, 26660), (13330, 25870), (13975, 24676), (17114, 20150), (17329, 19900)]