204030470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{359}}^1$

素因数の和:749

約数の個数: 64

約数和(自身を含む): 440432640

約数和(自身を除く): 236402170

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 353, 359, 706, 718, 805, 1610, 1765, 1795, 2471, 2513, 3530, 3590, 4942, 5026, 8119, 8257, 12355, 12565, 16238, 16514, 24710, 25130, 40595, 41285, 56833, 57799, 81190, 82570, 113666, 115598, 126727, 253454, 284165, 288995, 568330, 577990, 633635, 887089, 1267270, 1774178, 2914721, 4435445, 5829442, 8870890, 14573605, 20403047, 29147210, 40806094, 102015235, 204030470]

約数ペア:

[(1, 204030470), (2, 102015235), (5, 40806094), (7, 29147210), (10, 20403047), (14, 14573605), (23, 8870890), (35, 5829442), (46, 4435445), (70, 2914721), (115, 1774178), (161, 1267270), (230, 887089), (322, 633635), (353, 577990), (359, 568330), (706, 288995), (718, 284165), (805, 253454), (1610, 126727), (1765, 115598), (1795, 113666), (2471, 82570), (2513, 81190), (3530, 57799), (3590, 56833), (4942, 41285), (5026, 40595), (8119, 25130), (8257, 24710), (12355, 16514), (12565, 16238)]