11990180

素因数分解:

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

素因数の和:356

約数の個数: 48

約数和(自身を含む): 26417664

約数和(自身を除く): 14427484

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 233, 310, 332, 415, 466, 620, 830, 932, 1165, 1660, 2330, 2573, 4660, 5146, 7223, 10292, 12865, 14446, 19339, 25730, 28892, 36115, 38678, 51460, 72230, 77356, 96695, 144460, 193390, 386780, 599509, 1199018, 2398036, 2997545, 5995090, 11990180]

約数ペア:

[(1, 11990180), (2, 5995090), (4, 2997545), (5, 2398036), (10, 1199018), (20, 599509), (31, 386780), (62, 193390), (83, 144460), (124, 96695), (155, 77356), (166, 72230), (233, 51460), (310, 38678), (332, 36115), (415, 28892), (466, 25730), (620, 19339), (830, 14446), (932, 12865), (1165, 10292), (1660, 7223), (2330, 5146), (2573, 4660)]