129978040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2833}}^1$

素因数の和:2912

約数の個数: 64

約数和(自身を含む): 310152960

約数和(自身を除く): 180174920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 2833, 4588, 5666, 5735, 9176, 11332, 11470, 14165, 22664, 22940, 28330, 45880, 56660, 87823, 104821, 113320, 175646, 209642, 351292, 419284, 439115, 524105, 702584, 838568, 878230, 1048210, 1756460, 2096420, 3249451, 3512920, 4192840, 6498902, 12997804, 16247255, 25995608, 32494510, 64989020, 129978040]

約数ペア:

[(1, 129978040), (2, 64989020), (4, 32494510), (5, 25995608), (8, 16247255), (10, 12997804), (20, 6498902), (31, 4192840), (37, 3512920), (40, 3249451), (62, 2096420), (74, 1756460), (124, 1048210), (148, 878230), (155, 838568), (185, 702584), (248, 524105), (296, 439115), (310, 419284), (370, 351292), (620, 209642), (740, 175646), (1147, 113320), (1240, 104821), (1480, 87823), (2294, 56660), (2833, 45880), (4588, 28330), (5666, 22940), (5735, 22664), (9176, 14165), (11332, 11470)]