209214070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 433169856

約数和(自身を除く): 223955786

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 137, 170, 221, 274, 442, 685, 691, 1105, 1370, 1382, 1781, 2210, 2329, 3455, 3562, 4658, 6910, 8905, 8983, 11645, 11747, 17810, 17966, 23290, 23494, 30277, 44915, 58735, 60554, 89830, 94667, 117470, 151385, 152711, 189334, 302770, 305422, 473335, 763555, 946670, 1230671, 1527110, 1609339, 2461342, 3218678, 6153355, 8046695, 12306710, 16093390, 20921407, 41842814, 104607035, 209214070]

約数ペア:

[(1, 209214070), (2, 104607035), (5, 41842814), (10, 20921407), (13, 16093390), (17, 12306710), (26, 8046695), (34, 6153355), (65, 3218678), (85, 2461342), (130, 1609339), (137, 1527110), (170, 1230671), (221, 946670), (274, 763555), (442, 473335), (685, 305422), (691, 302770), (1105, 189334), (1370, 152711), (1382, 151385), (1781, 117470), (2210, 94667), (2329, 89830), (3455, 60554), (3562, 58735), (4658, 44915), (6910, 30277), (8905, 23494), (8983, 23290), (11645, 17966), (11747, 17810)]