215168380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{15217}}^1$

素因数の和:15334

約数の個数: 48

約数和(自身を含む): 521551296

約数和(自身を除く): 306382916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 15217, 30434, 60868, 76085, 106519, 152170, 213038, 304340, 426076, 532595, 1065190, 1536917, 2130380, 3073834, 6147668, 7684585, 10758419, 15369170, 21516838, 30738340, 43033676, 53792095, 107584190, 215168380]

約数ペア:

[(1, 215168380), (2, 107584190), (4, 53792095), (5, 43033676), (7, 30738340), (10, 21516838), (14, 15369170), (20, 10758419), (28, 7684585), (35, 6147668), (70, 3073834), (101, 2130380), (140, 1536917), (202, 1065190), (404, 532595), (505, 426076), (707, 304340), (1010, 213038), (1414, 152170), (2020, 106519), (2828, 76085), (3535, 60868), (7070, 30434), (14140, 15217)]