1771220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 4148928

約数和(自身を除く): 2377708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 97, 110, 166, 194, 220, 332, 388, 415, 485, 830, 913, 970, 1067, 1660, 1826, 1940, 2134, 3652, 4268, 4565, 5335, 8051, 9130, 10670, 16102, 18260, 21340, 32204, 40255, 80510, 88561, 161020, 177122, 354244, 442805, 885610, 1771220]

約数ペア:

[(1, 1771220), (2, 885610), (4, 442805), (5, 354244), (10, 177122), (11, 161020), (20, 88561), (22, 80510), (44, 40255), (55, 32204), (83, 21340), (97, 18260), (110, 16102), (166, 10670), (194, 9130), (220, 8051), (332, 5335), (388, 4565), (415, 4268), (485, 3652), (830, 2134), (913, 1940), (970, 1826), (1067, 1660)]