30757900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 71495424

約数和(自身を除く): 40737524

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 115, 172, 215, 230, 311, 430, 460, 575, 622, 860, 989, 1075, 1150, 1244, 1555, 1978, 2150, 2300, 3110, 3956, 4300, 4945, 6220, 7153, 7775, 9890, 13373, 14306, 15550, 19780, 24725, 26746, 28612, 31100, 35765, 49450, 53492, 66865, 71530, 98900, 133730, 143060, 178825, 267460, 307579, 334325, 357650, 615158, 668650, 715300, 1230316, 1337300, 1537895, 3075790, 6151580, 7689475, 15378950, 30757900]

約数ペア:

[(1, 30757900), (2, 15378950), (4, 7689475), (5, 6151580), (10, 3075790), (20, 1537895), (23, 1337300), (25, 1230316), (43, 715300), (46, 668650), (50, 615158), (86, 357650), (92, 334325), (100, 307579), (115, 267460), (172, 178825), (215, 143060), (230, 133730), (311, 98900), (430, 71530), (460, 66865), (575, 53492), (622, 49450), (860, 35765), (989, 31100), (1075, 28612), (1150, 26746), (1244, 24725), (1555, 19780), (1978, 15550), (2150, 14306), (2300, 13373), (3110, 9890), (3956, 7775), (4300, 7153), (4945, 6220)]