201552700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:947

約数の個数: 72

約数和(自身を含む): 457748480

約数和(自身を除く): 256195780

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 79, 100, 124, 155, 158, 310, 316, 395, 620, 775, 790, 823, 1550, 1580, 1646, 1975, 2449, 3100, 3292, 3950, 4115, 4898, 7900, 8230, 9796, 12245, 16460, 20575, 24490, 25513, 41150, 48980, 51026, 61225, 65017, 82300, 102052, 122450, 127565, 130034, 244900, 255130, 260068, 325085, 510260, 637825, 650170, 1275650, 1300340, 1625425, 2015527, 2551300, 3250850, 4031054, 6501700, 8062108, 10077635, 20155270, 40310540, 50388175, 100776350, 201552700]

約数ペア:

[(1, 201552700), (2, 100776350), (4, 50388175), (5, 40310540), (10, 20155270), (20, 10077635), (25, 8062108), (31, 6501700), (50, 4031054), (62, 3250850), (79, 2551300), (100, 2015527), (124, 1625425), (155, 1300340), (158, 1275650), (310, 650170), (316, 637825), (395, 510260), (620, 325085), (775, 260068), (790, 255130), (823, 244900), (1550, 130034), (1580, 127565), (1646, 122450), (1975, 102052), (2449, 82300), (3100, 65017), (3292, 61225), (3950, 51026), (4115, 48980), (4898, 41150), (7900, 25513), (8230, 24490), (9796, 20575), (12245, 16460)]