89420860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{811}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 194392800

約数和(自身を除く): 104971940

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 149, 185, 298, 370, 596, 740, 745, 811, 1490, 1622, 2980, 3244, 4055, 5513, 8110, 11026, 16220, 22052, 27565, 30007, 55130, 60014, 110260, 120028, 120839, 150035, 241678, 300070, 483356, 600140, 604195, 1208390, 2416780, 4471043, 8942086, 17884172, 22355215, 44710430, 89420860]

約数ペア:

[(1, 89420860), (2, 44710430), (4, 22355215), (5, 17884172), (10, 8942086), (20, 4471043), (37, 2416780), (74, 1208390), (148, 604195), (149, 600140), (185, 483356), (298, 300070), (370, 241678), (596, 150035), (740, 120839), (745, 120028), (811, 110260), (1490, 60014), (1622, 55130), (2980, 30007), (3244, 27565), (4055, 22052), (5513, 16220), (8110, 11026)]