260839150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^2$

素因数の和:418

約数の個数: 72

約数和(自身を含む): 572978952

約数和(自身を除く): 312139802

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 191, 275, 286, 325, 382, 550, 650, 715, 955, 1430, 1910, 2101, 2483, 3575, 4202, 4775, 4966, 7150, 9550, 10505, 12415, 21010, 24830, 27313, 36481, 52525, 54626, 62075, 72962, 105050, 124150, 136565, 182405, 273130, 364810, 401291, 474253, 682825, 802582, 912025, 948506, 1365650, 1824050, 2006455, 2371265, 4012910, 4742530, 5216783, 10032275, 10433566, 11856325, 20064550, 23712650, 26083915, 52167830, 130419575, 260839150]

約数ペア:

[(1, 260839150), (2, 130419575), (5, 52167830), (10, 26083915), (11, 23712650), (13, 20064550), (22, 11856325), (25, 10433566), (26, 10032275), (50, 5216783), (55, 4742530), (65, 4012910), (110, 2371265), (130, 2006455), (143, 1824050), (191, 1365650), (275, 948506), (286, 912025), (325, 802582), (382, 682825), (550, 474253), (650, 401291), (715, 364810), (955, 273130), (1430, 182405), (1910, 136565), (2101, 124150), (2483, 105050), (3575, 72962), (4202, 62075), (4775, 54626), (4966, 52525), (7150, 36481), (9550, 27313), (10505, 24830), (12415, 21010)]