28059220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 70963200

約数和(自身を除く): 42903980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 59, 70, 79, 86, 118, 140, 158, 172, 215, 236, 295, 301, 316, 395, 413, 430, 553, 590, 602, 790, 826, 860, 1106, 1180, 1204, 1505, 1580, 1652, 2065, 2212, 2537, 2765, 3010, 3397, 4130, 4661, 5074, 5530, 6020, 6794, 8260, 9322, 10148, 11060, 12685, 13588, 16985, 17759, 18644, 23305, 23779, 25370, 32627, 33970, 35518, 46610, 47558, 50740, 65254, 67940, 71036, 88795, 93220, 95116, 118895, 130508, 163135, 177590, 200423, 237790, 326270, 355180, 400846, 475580, 652540, 801692, 1002115, 1402961, 2004230, 2805922, 4008460, 5611844, 7014805, 14029610, 28059220]

約数ペア:

[(1, 28059220), (2, 14029610), (4, 7014805), (5, 5611844), (7, 4008460), (10, 2805922), (14, 2004230), (20, 1402961), (28, 1002115), (35, 801692), (43, 652540), (59, 475580), (70, 400846), (79, 355180), (86, 326270), (118, 237790), (140, 200423), (158, 177590), (172, 163135), (215, 130508), (236, 118895), (295, 95116), (301, 93220), (316, 88795), (395, 71036), (413, 67940), (430, 65254), (553, 50740), (590, 47558), (602, 46610), (790, 35518), (826, 33970), (860, 32627), (1106, 25370), (1180, 23779), (1204, 23305), (1505, 18644), (1580, 17759), (1652, 16985), (2065, 13588), (2212, 12685), (2537, 11060), (2765, 10148), (3010, 9322), (3397, 8260), (4130, 6794), (4661, 6020), (5074, 5530)]