74131850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:352

約数の個数: 72

約数和(自身を含む): 154668672

約数和(自身を除く): 80536822

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 283, 310, 325, 338, 403, 566, 650, 775, 806, 845, 1415, 1550, 1690, 2015, 2830, 3679, 4030, 4225, 5239, 7075, 7358, 8450, 8773, 10075, 10478, 14150, 17546, 18395, 20150, 26195, 36790, 43865, 47827, 52390, 87730, 91975, 95654, 114049, 130975, 183950, 219325, 228098, 239135, 261950, 438650, 478270, 570245, 1140490, 1195675, 1482637, 2391350, 2851225, 2965274, 5702450, 7413185, 14826370, 37065925, 74131850]

約数ペア:

[(1, 74131850), (2, 37065925), (5, 14826370), (10, 7413185), (13, 5702450), (25, 2965274), (26, 2851225), (31, 2391350), (50, 1482637), (62, 1195675), (65, 1140490), (130, 570245), (155, 478270), (169, 438650), (283, 261950), (310, 239135), (325, 228098), (338, 219325), (403, 183950), (566, 130975), (650, 114049), (775, 95654), (806, 91975), (845, 87730), (1415, 52390), (1550, 47827), (1690, 43865), (2015, 36790), (2830, 26195), (3679, 20150), (4030, 18395), (4225, 17546), (5239, 14150), (7075, 10478), (7358, 10075), (8450, 8773)]