28966210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 64915200

約数和(自身を除く): 35948990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 139, 182, 229, 278, 455, 458, 695, 910, 973, 1145, 1390, 1603, 1807, 1946, 2290, 2977, 3206, 3614, 4865, 5954, 8015, 9035, 9730, 12649, 14885, 16030, 18070, 20839, 25298, 29770, 31831, 41678, 63245, 63662, 104195, 126490, 159155, 208390, 222817, 318310, 413803, 445634, 827606, 1114085, 2069015, 2228170, 2896621, 4138030, 5793242, 14483105, 28966210]

約数ペア:

[(1, 28966210), (2, 14483105), (5, 5793242), (7, 4138030), (10, 2896621), (13, 2228170), (14, 2069015), (26, 1114085), (35, 827606), (65, 445634), (70, 413803), (91, 318310), (130, 222817), (139, 208390), (182, 159155), (229, 126490), (278, 104195), (455, 63662), (458, 63245), (695, 41678), (910, 31831), (973, 29770), (1145, 25298), (1390, 20839), (1603, 18070), (1807, 16030), (1946, 14885), (2290, 12649), (2977, 9730), (3206, 9035), (3614, 8015), (4865, 5954)]