131891980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 317011968

約数和(自身を除く): 185119988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 83, 110, 124, 155, 166, 220, 233, 310, 332, 341, 415, 466, 620, 682, 830, 913, 932, 1165, 1364, 1660, 1705, 1826, 2330, 2563, 2573, 3410, 3652, 4565, 4660, 5126, 5146, 6820, 7223, 9130, 10252, 10292, 12815, 12865, 14446, 18260, 19339, 25630, 25730, 28303, 28892, 36115, 38678, 51260, 51460, 56606, 72230, 77356, 79453, 96695, 113212, 141515, 144460, 158906, 193390, 212729, 283030, 317812, 386780, 397265, 425458, 566060, 599509, 794530, 850916, 1063645, 1199018, 1589060, 2127290, 2398036, 2997545, 4254580, 5995090, 6594599, 11990180, 13189198, 26378396, 32972995, 65945990, 131891980]

約数ペア:

[(1, 131891980), (2, 65945990), (4, 32972995), (5, 26378396), (10, 13189198), (11, 11990180), (20, 6594599), (22, 5995090), (31, 4254580), (44, 2997545), (55, 2398036), (62, 2127290), (83, 1589060), (110, 1199018), (124, 1063645), (155, 850916), (166, 794530), (220, 599509), (233, 566060), (310, 425458), (332, 397265), (341, 386780), (415, 317812), (466, 283030), (620, 212729), (682, 193390), (830, 158906), (913, 144460), (932, 141515), (1165, 113212), (1364, 96695), (1660, 79453), (1705, 77356), (1826, 72230), (2330, 56606), (2563, 51460), (2573, 51260), (3410, 38678), (3652, 36115), (4565, 28892), (4660, 28303), (5126, 25730), (5146, 25630), (6820, 19339), (7223, 18260), (9130, 14446), (10252, 12865), (10292, 12815)]