89477840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 230297760

約数和(自身を除く): 140819920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 43, 74, 76, 80, 86, 95, 148, 152, 172, 185, 190, 215, 296, 304, 344, 370, 380, 430, 592, 688, 703, 740, 760, 817, 860, 1369, 1406, 1480, 1520, 1591, 1634, 1720, 2738, 2812, 2960, 3182, 3268, 3440, 3515, 4085, 5476, 5624, 6364, 6536, 6845, 7030, 7955, 8170, 10952, 11248, 12728, 13072, 13690, 14060, 15910, 16340, 21904, 25456, 26011, 27380, 28120, 30229, 31820, 32680, 52022, 54760, 56240, 58867, 60458, 63640, 65360, 104044, 109520, 117734, 120916, 127280, 130055, 151145, 208088, 235468, 241832, 260110, 294335, 302290, 416176, 470936, 483664, 520220, 588670, 604580, 941872, 1040440, 1118473, 1177340, 1209160, 2080880, 2236946, 2354680, 2418320, 4473892, 4709360, 5592365, 8947784, 11184730, 17895568, 22369460, 44738920, 89477840]

約数ペア:

[(1, 89477840), (2, 44738920), (4, 22369460), (5, 17895568), (8, 11184730), (10, 8947784), (16, 5592365), (19, 4709360), (20, 4473892), (37, 2418320), (38, 2354680), (40, 2236946), (43, 2080880), (74, 1209160), (76, 1177340), (80, 1118473), (86, 1040440), (95, 941872), (148, 604580), (152, 588670), (172, 520220), (185, 483664), (190, 470936), (215, 416176), (296, 302290), (304, 294335), (344, 260110), (370, 241832), (380, 235468), (430, 208088), (592, 151145), (688, 130055), (703, 127280), (740, 120916), (760, 117734), (817, 109520), (860, 104044), (1369, 65360), (1406, 63640), (1480, 60458), (1520, 58867), (1591, 56240), (1634, 54760), (1720, 52022), (2738, 32680), (2812, 31820), (2960, 30229), (3182, 28120), (3268, 27380), (3440, 26011), (3515, 25456), (4085, 21904), (5476, 16340), (5624, 15910), (6364, 14060), (6536, 13690), (6845, 13072), (7030, 12728), (7955, 11248), (8170, 10952)]