277485880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1213}}^1$

素因数の和:1293

約数の個数: 128

約数和(自身を含む): 769190400

約数和(自身を除く): 491704520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 86, 95, 133, 140, 152, 172, 190, 215, 266, 280, 301, 344, 380, 430, 532, 602, 665, 760, 817, 860, 1064, 1204, 1213, 1330, 1505, 1634, 1720, 2408, 2426, 2660, 3010, 3268, 4085, 4852, 5320, 5719, 6020, 6065, 6536, 8170, 8491, 9704, 11438, 12040, 12130, 16340, 16982, 22876, 23047, 24260, 28595, 32680, 33964, 42455, 45752, 46094, 48520, 52159, 57190, 67928, 84910, 92188, 104318, 114380, 115235, 161329, 169820, 184376, 208636, 228760, 230470, 260795, 322658, 339640, 365113, 417272, 460940, 521590, 645316, 730226, 806645, 921880, 991021, 1043180, 1290632, 1460452, 1613290, 1825565, 1982042, 2086360, 2920904, 3226580, 3651130, 3964084, 4955105, 6453160, 6937147, 7302260, 7928168, 9910210, 13874294, 14604520, 19820420, 27748588, 34685735, 39640840, 55497176, 69371470, 138742940, 277485880]

約数ペア:

[(1, 277485880), (2, 138742940), (4, 69371470), (5, 55497176), (7, 39640840), (8, 34685735), (10, 27748588), (14, 19820420), (19, 14604520), (20, 13874294), (28, 9910210), (35, 7928168), (38, 7302260), (40, 6937147), (43, 6453160), (56, 4955105), (70, 3964084), (76, 3651130), (86, 3226580), (95, 2920904), (133, 2086360), (140, 1982042), (152, 1825565), (172, 1613290), (190, 1460452), (215, 1290632), (266, 1043180), (280, 991021), (301, 921880), (344, 806645), (380, 730226), (430, 645316), (532, 521590), (602, 460940), (665, 417272), (760, 365113), (817, 339640), (860, 322658), (1064, 260795), (1204, 230470), (1213, 228760), (1330, 208636), (1505, 184376), (1634, 169820), (1720, 161329), (2408, 115235), (2426, 114380), (2660, 104318), (3010, 92188), (3268, 84910), (4085, 67928), (4852, 57190), (5320, 52159), (5719, 48520), (6020, 46094), (6065, 45752), (6536, 42455), (8170, 33964), (8491, 32680), (9704, 28595), (11438, 24260), (12040, 23047), (12130, 22876), (16340, 16982)]