259450380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{205913}}^1$

素因数の和:205935

約数の個数: 72

約数和(自身を含む): 899432352

約数和(自身を除く): 639981972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 205913, 411826, 617739, 823652, 1029565, 1235478, 1441391, 1853217, 2059130, 2470956, 2882782, 3088695, 3706434, 4118260, 4324173, 5765564, 6177390, 7206955, 7412868, 8648346, 9266085, 12354780, 12972519, 14413910, 17296692, 18532170, 21620865, 25945038, 28827820, 37064340, 43241730, 51890076, 64862595, 86483460, 129725190, 259450380]

約数ペア:

[(1, 259450380), (2, 129725190), (3, 86483460), (4, 64862595), (5, 51890076), (6, 43241730), (7, 37064340), (9, 28827820), (10, 25945038), (12, 21620865), (14, 18532170), (15, 17296692), (18, 14413910), (20, 12972519), (21, 12354780), (28, 9266085), (30, 8648346), (35, 7412868), (36, 7206955), (42, 6177390), (45, 5765564), (60, 4324173), (63, 4118260), (70, 3706434), (84, 3088695), (90, 2882782), (105, 2470956), (126, 2059130), (140, 1853217), (180, 1441391), (210, 1235478), (252, 1029565), (315, 823652), (420, 617739), (630, 411826), (1260, 205913)]