353280100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 783699840

約数和(自身を除く): 430419740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 197, 227, 316, 394, 395, 454, 788, 790, 908, 985, 1135, 1580, 1970, 1975, 2270, 3940, 3950, 4540, 4925, 5675, 7900, 9850, 11350, 15563, 17933, 19700, 22700, 31126, 35866, 44719, 62252, 71732, 77815, 89438, 89665, 155630, 178876, 179330, 223595, 311260, 358660, 389075, 447190, 448325, 778150, 894380, 896650, 1117975, 1556300, 1793300, 2235950, 3532801, 4471900, 7065602, 14131204, 17664005, 35328010, 70656020, 88320025, 176640050, 353280100]

約数ペア:

[(1, 353280100), (2, 176640050), (4, 88320025), (5, 70656020), (10, 35328010), (20, 17664005), (25, 14131204), (50, 7065602), (79, 4471900), (100, 3532801), (158, 2235950), (197, 1793300), (227, 1556300), (316, 1117975), (394, 896650), (395, 894380), (454, 778150), (788, 448325), (790, 447190), (908, 389075), (985, 358660), (1135, 311260), (1580, 223595), (1970, 179330), (1975, 178876), (2270, 155630), (3940, 89665), (3950, 89438), (4540, 77815), (4925, 71732), (5675, 62252), (7900, 44719), (9850, 35866), (11350, 31126), (15563, 22700), (17933, 19700)]