210132020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 534885120

約数和(自身を除く): 324753100

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 197, 266, 380, 394, 401, 532, 665, 788, 802, 985, 1330, 1379, 1604, 1970, 2005, 2660, 2758, 2807, 3743, 3940, 4010, 5516, 5614, 6895, 7486, 7619, 8020, 11228, 13790, 14035, 14972, 15238, 18715, 26201, 27580, 28070, 30476, 37430, 38095, 52402, 53333, 56140, 74860, 76190, 78997, 104804, 106666, 131005, 152380, 157994, 213332, 262010, 266665, 315988, 394985, 524020, 533330, 552979, 789970, 1066660, 1105958, 1500943, 1579940, 2211916, 2764895, 3001886, 5529790, 6003772, 7504715, 10506601, 11059580, 15009430, 21013202, 30018860, 42026404, 52533005, 105066010, 210132020]

約数ペア:

[(1, 210132020), (2, 105066010), (4, 52533005), (5, 42026404), (7, 30018860), (10, 21013202), (14, 15009430), (19, 11059580), (20, 10506601), (28, 7504715), (35, 6003772), (38, 5529790), (70, 3001886), (76, 2764895), (95, 2211916), (133, 1579940), (140, 1500943), (190, 1105958), (197, 1066660), (266, 789970), (380, 552979), (394, 533330), (401, 524020), (532, 394985), (665, 315988), (788, 266665), (802, 262010), (985, 213332), (1330, 157994), (1379, 152380), (1604, 131005), (1970, 106666), (2005, 104804), (2660, 78997), (2758, 76190), (2807, 74860), (3743, 56140), (3940, 53333), (4010, 52402), (5516, 38095), (5614, 37430), (6895, 30476), (7486, 28070), (7619, 27580), (8020, 26201), (11228, 18715), (13790, 15238), (14035, 14972)]