38685140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 94832640

約数和(自身を除く): 56147500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 190, 191, 205, 247, 260, 380, 382, 410, 494, 533, 764, 779, 820, 955, 988, 1066, 1235, 1558, 1910, 2132, 2470, 2483, 2665, 3116, 3629, 3820, 3895, 4940, 4966, 5330, 7258, 7790, 7831, 9932, 10127, 10660, 12415, 14516, 15580, 15662, 18145, 20254, 24830, 31324, 36290, 39155, 40508, 47177, 49660, 50635, 72580, 78310, 94354, 101270, 101803, 148789, 156620, 188708, 202540, 203606, 235885, 297578, 407212, 471770, 509015, 595156, 743945, 943540, 1018030, 1487890, 1934257, 2036060, 2975780, 3868514, 7737028, 9671285, 19342570, 38685140]

約数ペア:

[(1, 38685140), (2, 19342570), (4, 9671285), (5, 7737028), (10, 3868514), (13, 2975780), (19, 2036060), (20, 1934257), (26, 1487890), (38, 1018030), (41, 943540), (52, 743945), (65, 595156), (76, 509015), (82, 471770), (95, 407212), (130, 297578), (164, 235885), (190, 203606), (191, 202540), (205, 188708), (247, 156620), (260, 148789), (380, 101803), (382, 101270), (410, 94354), (494, 78310), (533, 72580), (764, 50635), (779, 49660), (820, 47177), (955, 40508), (988, 39155), (1066, 36290), (1235, 31324), (1558, 24830), (1910, 20254), (2132, 18145), (2470, 15662), (2483, 15580), (2665, 14516), (3116, 12415), (3629, 10660), (3820, 10127), (3895, 9932), (4940, 7831), (4966, 7790), (5330, 7258)]