200775380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 460422144

約数和(自身を除く): 259646764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 191, 260, 311, 338, 382, 622, 676, 764, 845, 955, 1244, 1555, 1690, 1910, 2483, 3110, 3380, 3820, 4043, 4966, 6220, 8086, 9932, 12415, 16172, 20215, 24830, 32279, 40430, 49660, 52559, 59401, 64558, 80860, 105118, 118802, 129116, 161395, 210236, 237604, 262795, 297005, 322790, 525590, 594010, 645580, 772213, 1051180, 1188020, 1544426, 3088852, 3861065, 7722130, 10038769, 15444260, 20077538, 40155076, 50193845, 100387690, 200775380]

約数ペア:

[(1, 200775380), (2, 100387690), (4, 50193845), (5, 40155076), (10, 20077538), (13, 15444260), (20, 10038769), (26, 7722130), (52, 3861065), (65, 3088852), (130, 1544426), (169, 1188020), (191, 1051180), (260, 772213), (311, 645580), (338, 594010), (382, 525590), (622, 322790), (676, 297005), (764, 262795), (845, 237604), (955, 210236), (1244, 161395), (1555, 129116), (1690, 118802), (1910, 105118), (2483, 80860), (3110, 64558), (3380, 59401), (3820, 52559), (4043, 49660), (4966, 40430), (6220, 32279), (8086, 24830), (9932, 20215), (12415, 16172)]