315928900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 824947200

約数和(自身を除く): 509018300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 79, 100, 116, 140, 145, 158, 175, 197, 203, 290, 316, 350, 394, 395, 406, 553, 580, 700, 725, 788, 790, 812, 985, 1015, 1106, 1379, 1450, 1580, 1970, 1975, 2030, 2212, 2291, 2758, 2765, 2900, 3940, 3950, 4060, 4582, 4925, 5075, 5516, 5530, 5713, 6895, 7900, 9164, 9850, 10150, 11060, 11426, 11455, 13790, 13825, 15563, 16037, 19700, 20300, 22852, 22910, 27580, 27650, 28565, 31126, 32074, 34475, 39991, 45820, 55300, 57130, 57275, 62252, 64148, 68950, 77815, 79982, 80185, 108941, 114260, 114550, 137900, 142825, 155630, 159964, 160370, 199955, 217882, 229100, 285650, 311260, 320740, 389075, 399910, 400925, 435764, 451327, 544705, 571300, 778150, 799820, 801850, 902654, 999775, 1089410, 1556300, 1603700, 1805308, 1999550, 2178820, 2256635, 2723525, 3159289, 3999100, 4513270, 5447050, 6318578, 9026540, 10894100, 11283175, 12637156, 15796445, 22566350, 31592890, 45132700, 63185780, 78982225, 157964450, 315928900]

約数ペア:

[(1, 315928900), (2, 157964450), (4, 78982225), (5, 63185780), (7, 45132700), (10, 31592890), (14, 22566350), (20, 15796445), (25, 12637156), (28, 11283175), (29, 10894100), (35, 9026540), (50, 6318578), (58, 5447050), (70, 4513270), (79, 3999100), (100, 3159289), (116, 2723525), (140, 2256635), (145, 2178820), (158, 1999550), (175, 1805308), (197, 1603700), (203, 1556300), (290, 1089410), (316, 999775), (350, 902654), (394, 801850), (395, 799820), (406, 778150), (553, 571300), (580, 544705), (700, 451327), (725, 435764), (788, 400925), (790, 399910), (812, 389075), (985, 320740), (1015, 311260), (1106, 285650), (1379, 229100), (1450, 217882), (1580, 199955), (1970, 160370), (1975, 159964), (2030, 155630), (2212, 142825), (2291, 137900), (2758, 114550), (2765, 114260), (2900, 108941), (3940, 80185), (3950, 79982), (4060, 77815), (4582, 68950), (4925, 64148), (5075, 62252), (5516, 57275), (5530, 57130), (5713, 55300), (6895, 45820), (7900, 39991), (9164, 34475), (9850, 32074), (10150, 31126), (11060, 28565), (11426, 27650), (11455, 27580), (13790, 22910), (13825, 22852), (15563, 20300), (16037, 19700)]