64199900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 147323904

約数和(自身を除く): 83124004

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 103, 115, 206, 230, 271, 412, 460, 515, 542, 575, 1030, 1084, 1150, 1355, 2060, 2300, 2369, 2575, 2710, 4738, 5150, 5420, 6233, 6775, 9476, 10300, 11845, 12466, 13550, 23690, 24932, 27100, 27913, 31165, 47380, 55826, 59225, 62330, 111652, 118450, 124660, 139565, 155825, 236900, 279130, 311650, 558260, 623300, 641999, 697825, 1283998, 1395650, 2567996, 2791300, 3209995, 6419990, 12839980, 16049975, 32099950, 64199900]

約数ペア:

[(1, 64199900), (2, 32099950), (4, 16049975), (5, 12839980), (10, 6419990), (20, 3209995), (23, 2791300), (25, 2567996), (46, 1395650), (50, 1283998), (92, 697825), (100, 641999), (103, 623300), (115, 558260), (206, 311650), (230, 279130), (271, 236900), (412, 155825), (460, 139565), (515, 124660), (542, 118450), (575, 111652), (1030, 62330), (1084, 59225), (1150, 55826), (1355, 47380), (2060, 31165), (2300, 27913), (2369, 27100), (2575, 24932), (2710, 23690), (4738, 13550), (5150, 12466), (5420, 11845), (6233, 10300), (6775, 9476)]