398935746625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{3217}}^1$

素因数の和:3396

約数の個数: 96

約数和(自身を含む): 576487914912

約数和(自身を除く): 177552168287

約数列:

[1, 5, 13, 17, 25, 65, 67, 85, 125, 221, 325, 335, 425, 871, 1105, 1139, 1625, 1675, 2125, 3217, 4355, 4489, 5525, 5695, 8375, 14807, 16085, 21775, 22445, 27625, 28475, 41821, 54689, 58357, 74035, 76313, 80425, 108875, 112225, 142375, 209105, 215539, 273445, 291785, 370175, 381565, 402125, 561125, 710957, 992069, 1045525, 1077695, 1367225, 1458925, 1850875, 1907825, 2802007, 3554785, 3664163, 4960345, 5227625, 5388475, 6836125, 7294625, 9539125, 14010035, 14441113, 17773925, 18320815, 24801725, 26942375, 47634119, 70050175, 72205565, 88869625, 91604075, 124008625, 187734469, 238170595, 245498921, 350250875, 361027825, 458020375, 938672345, 1190852975, 1227494605, 1805139125, 3191485973, 4693361725, 5954264875, 6137473025, 15957429865, 23466808625, 30687365125, 79787149325, 398935746625]

約数ペア:

[(1, 398935746625), (5, 79787149325), (13, 30687365125), (17, 23466808625), (25, 15957429865), (65, 6137473025), (67, 5954264875), (85, 4693361725), (125, 3191485973), (221, 1805139125), (325, 1227494605), (335, 1190852975), (425, 938672345), (871, 458020375), (1105, 361027825), (1139, 350250875), (1625, 245498921), (1675, 238170595), (2125, 187734469), (3217, 124008625), (4355, 91604075), (4489, 88869625), (5525, 72205565), (5695, 70050175), (8375, 47634119), (14807, 26942375), (16085, 24801725), (21775, 18320815), (22445, 17773925), (27625, 14441113), (28475, 14010035), (41821, 9539125), (54689, 7294625), (58357, 6836125), (74035, 5388475), (76313, 5227625), (80425, 4960345), (108875, 3664163), (112225, 3554785), (142375, 2802007), (209105, 1907825), (215539, 1850875), (273445, 1458925), (291785, 1367225), (370175, 1077695), (381565, 1045525), (402125, 992069), (561125, 710957)]