3886016020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2153

約数の個数: 72

約数和(自身を含む): 8509536000

約数和(自身を除く): 4623519980

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 185, 284, 355, 370, 710, 740, 1369, 1420, 1999, 2627, 2738, 3998, 5254, 5476, 6845, 7996, 9995, 10508, 13135, 13690, 19990, 26270, 27380, 39980, 52540, 73963, 97199, 141929, 147926, 194398, 283858, 295852, 369815, 388796, 485995, 567716, 709645, 739630, 971990, 1419290, 1479260, 1943980, 2736631, 2838580, 5251373, 5473262, 10502746, 10946524, 13683155, 21005492, 26256865, 27366310, 52513730, 54732620, 105027460, 194300801, 388601602, 777203204, 971504005, 1943008010, 3886016020]

約数ペア:

[(1, 3886016020), (2, 1943008010), (4, 971504005), (5, 777203204), (10, 388601602), (20, 194300801), (37, 105027460), (71, 54732620), (74, 52513730), (142, 27366310), (148, 26256865), (185, 21005492), (284, 13683155), (355, 10946524), (370, 10502746), (710, 5473262), (740, 5251373), (1369, 2838580), (1420, 2736631), (1999, 1943980), (2627, 1479260), (2738, 1419290), (3998, 971990), (5254, 739630), (5476, 709645), (6845, 567716), (7996, 485995), (9995, 388796), (10508, 369815), (13135, 295852), (13690, 283858), (19990, 194398), (26270, 147926), (27380, 141929), (39980, 97199), (52540, 73963)]