1311403730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 2989066752

約数和(自身を除く): 1677663022

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 67, 70, 91, 130, 134, 137, 157, 182, 274, 314, 335, 455, 469, 670, 685, 785, 871, 910, 938, 959, 1099, 1370, 1570, 1742, 1781, 1918, 2041, 2198, 2345, 3562, 4082, 4355, 4690, 4795, 5495, 6097, 8710, 8905, 9179, 9590, 10205, 10519, 10990, 12194, 12467, 14287, 17810, 18358, 20410, 21038, 21509, 24934, 28574, 30485, 43018, 45895, 52595, 60970, 62335, 64253, 71435, 73633, 91790, 105190, 107545, 119327, 124670, 128506, 136747, 142870, 147266, 150563, 215090, 238654, 273494, 279617, 301126, 321265, 368165, 559234, 596635, 642530, 683735, 736330, 752815, 835289, 957229, 1193270, 1367470, 1398085, 1441103, 1505630, 1670578, 1914458, 1957319, 2796170, 2882206, 3914638, 4176445, 4786145, 7205515, 8352890, 9572290, 9786595, 10087721, 14411030, 18734339, 19573190, 20175442, 37468678, 50438605, 93671695, 100877210, 131140373, 187343390, 262280746, 655701865, 1311403730]

約数ペア:

[(1, 1311403730), (2, 655701865), (5, 262280746), (7, 187343390), (10, 131140373), (13, 100877210), (14, 93671695), (26, 50438605), (35, 37468678), (65, 20175442), (67, 19573190), (70, 18734339), (91, 14411030), (130, 10087721), (134, 9786595), (137, 9572290), (157, 8352890), (182, 7205515), (274, 4786145), (314, 4176445), (335, 3914638), (455, 2882206), (469, 2796170), (670, 1957319), (685, 1914458), (785, 1670578), (871, 1505630), (910, 1441103), (938, 1398085), (959, 1367470), (1099, 1193270), (1370, 957229), (1570, 835289), (1742, 752815), (1781, 736330), (1918, 683735), (2041, 642530), (2198, 596635), (2345, 559234), (3562, 368165), (4082, 321265), (4355, 301126), (4690, 279617), (4795, 273494), (5495, 238654), (6097, 215090), (8710, 150563), (8905, 147266), (9179, 142870), (9590, 136747), (10205, 128506), (10519, 124670), (10990, 119327), (12194, 107545), (12467, 105190), (14287, 91790), (17810, 73633), (18358, 71435), (20410, 64253), (21038, 62335), (21509, 60970), (24934, 52595), (28574, 45895), (30485, 43018)]