214967890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{54979}}^1$

素因数の和:55026

約数の個数: 32

約数和(自身を含む): 427524480

約数和(自身を除く): 212556590

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 54979, 109958, 274895, 549790, 934643, 1264517, 1869286, 2529034, 4673215, 6322585, 9346430, 12645170, 21496789, 42993578, 107483945, 214967890]

約数ペア:

[(1, 214967890), (2, 107483945), (5, 42993578), (10, 21496789), (17, 12645170), (23, 9346430), (34, 6322585), (46, 4673215), (85, 2529034), (115, 1869286), (170, 1264517), (230, 934643), (391, 549790), (782, 274895), (1955, 109958), (3910, 54979)]