78975020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 185008320

約数和(自身を除く): 106033300

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 41, 74, 76, 82, 95, 137, 148, 164, 185, 190, 205, 274, 370, 380, 410, 548, 685, 703, 740, 779, 820, 1370, 1406, 1517, 1558, 2603, 2740, 2812, 3034, 3116, 3515, 3895, 5069, 5206, 5617, 6068, 7030, 7585, 7790, 10138, 10412, 11234, 13015, 14060, 15170, 15580, 20276, 22468, 25345, 26030, 28085, 28823, 30340, 50690, 52060, 56170, 57646, 96311, 101380, 106723, 112340, 115292, 144115, 192622, 207829, 213446, 288230, 385244, 415658, 426892, 481555, 533615, 576460, 831316, 963110, 1039145, 1067230, 1926220, 2078290, 2134460, 3948751, 4156580, 7897502, 15795004, 19743755, 39487510, 78975020]

約数ペア:

[(1, 78975020), (2, 39487510), (4, 19743755), (5, 15795004), (10, 7897502), (19, 4156580), (20, 3948751), (37, 2134460), (38, 2078290), (41, 1926220), (74, 1067230), (76, 1039145), (82, 963110), (95, 831316), (137, 576460), (148, 533615), (164, 481555), (185, 426892), (190, 415658), (205, 385244), (274, 288230), (370, 213446), (380, 207829), (410, 192622), (548, 144115), (685, 115292), (703, 112340), (740, 106723), (779, 101380), (820, 96311), (1370, 57646), (1406, 56170), (1517, 52060), (1558, 50690), (2603, 30340), (2740, 28823), (2812, 28085), (3034, 26030), (3116, 25345), (3515, 22468), (3895, 20276), (5069, 15580), (5206, 15170), (5617, 14060), (6068, 13015), (7030, 11234), (7585, 10412), (7790, 10138)]