147971720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{284561}}^1$

素因数の和:284585

約数の個数: 32

約数和(自身を含む): 358548120

約数和(自身を除く): 210576400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 284561, 569122, 1138244, 1422805, 2276488, 2845610, 3699293, 5691220, 7398586, 11382440, 14797172, 18496465, 29594344, 36992930, 73985860, 147971720]

約数ペア:

[(1, 147971720), (2, 73985860), (4, 36992930), (5, 29594344), (8, 18496465), (10, 14797172), (13, 11382440), (20, 7398586), (26, 5691220), (40, 3699293), (52, 2845610), (65, 2276488), (104, 1422805), (130, 1138244), (260, 569122), (520, 284561)]