400395060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1398

約数の個数: 144

約数和(自身を含む): 1318437120

約数和(自身を除く): 918042060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 139, 156, 180, 195, 234, 260, 278, 390, 417, 468, 556, 585, 695, 780, 834, 1170, 1231, 1251, 1390, 1668, 1807, 2085, 2340, 2462, 2502, 2780, 3614, 3693, 4170, 4924, 5004, 5421, 6155, 6255, 7228, 7386, 8340, 9035, 10842, 11079, 12310, 12510, 14772, 16003, 16263, 18070, 18465, 21684, 22158, 24620, 25020, 27105, 32006, 32526, 36140, 36930, 44316, 48009, 54210, 55395, 64012, 65052, 73860, 80015, 81315, 96018, 108420, 110790, 144027, 160030, 162630, 171109, 192036, 221580, 240045, 288054, 320060, 325260, 342218, 480090, 513327, 576108, 684436, 720135, 855545, 960180, 1026654, 1440270, 1539981, 1711090, 2053308, 2224417, 2566635, 2880540, 3079962, 3422180, 4448834, 5133270, 6159924, 6673251, 7699905, 8897668, 10266540, 11122085, 13346502, 15399810, 20019753, 22244170, 26693004, 30799620, 33366255, 40039506, 44488340, 66732510, 80079012, 100098765, 133465020, 200197530, 400395060]

約数ペア:

[(1, 400395060), (2, 200197530), (3, 133465020), (4, 100098765), (5, 80079012), (6, 66732510), (9, 44488340), (10, 40039506), (12, 33366255), (13, 30799620), (15, 26693004), (18, 22244170), (20, 20019753), (26, 15399810), (30, 13346502), (36, 11122085), (39, 10266540), (45, 8897668), (52, 7699905), (60, 6673251), (65, 6159924), (78, 5133270), (90, 4448834), (117, 3422180), (130, 3079962), (139, 2880540), (156, 2566635), (180, 2224417), (195, 2053308), (234, 1711090), (260, 1539981), (278, 1440270), (390, 1026654), (417, 960180), (468, 855545), (556, 720135), (585, 684436), (695, 576108), (780, 513327), (834, 480090), (1170, 342218), (1231, 325260), (1251, 320060), (1390, 288054), (1668, 240045), (1807, 221580), (2085, 192036), (2340, 171109), (2462, 162630), (2502, 160030), (2780, 144027), (3614, 110790), (3693, 108420), (4170, 96018), (4924, 81315), (5004, 80015), (5421, 73860), (6155, 65052), (6255, 64012), (7228, 55395), (7386, 54210), (8340, 48009), (9035, 44316), (10842, 36930), (11079, 36140), (12310, 32526), (12510, 32006), (14772, 27105), (16003, 25020), (16263, 24620), (18070, 22158), (18465, 21684)]