139296950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:310

約数の個数: 72

約数和(自身を含む): 289606464

約数和(自身を除く): 150309514

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 223, 310, 325, 403, 446, 650, 775, 806, 961, 1115, 1550, 1922, 2015, 2230, 2899, 4030, 4805, 5575, 5798, 6913, 9610, 10075, 11150, 12493, 13826, 14495, 20150, 24025, 24986, 28990, 34565, 48050, 62465, 69130, 72475, 89869, 124930, 144950, 172825, 179738, 214303, 312325, 345650, 428606, 449345, 624650, 898690, 1071515, 2143030, 2246725, 2785939, 4493450, 5357575, 5571878, 10715150, 13929695, 27859390, 69648475, 139296950]

約数ペア:

[(1, 139296950), (2, 69648475), (5, 27859390), (10, 13929695), (13, 10715150), (25, 5571878), (26, 5357575), (31, 4493450), (50, 2785939), (62, 2246725), (65, 2143030), (130, 1071515), (155, 898690), (223, 624650), (310, 449345), (325, 428606), (403, 345650), (446, 312325), (650, 214303), (775, 179738), (806, 172825), (961, 144950), (1115, 124930), (1550, 89869), (1922, 72475), (2015, 69130), (2230, 62465), (2899, 48050), (4030, 34565), (4805, 28990), (5575, 24986), (5798, 24025), (6913, 20150), (9610, 14495), (10075, 13826), (11150, 12493)]