248508400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 180

約数和(自身を含む): 718674240

約数和(自身を除く): 470165840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 350, 392, 400, 409, 434, 490, 496, 560, 620, 700, 775, 784, 818, 868, 980, 1085, 1225, 1240, 1400, 1519, 1550, 1636, 1736, 1960, 2045, 2170, 2450, 2480, 2800, 2863, 3038, 3100, 3272, 3472, 3920, 4090, 4340, 4900, 5425, 5726, 6076, 6200, 6544, 7595, 8180, 8680, 9800, 10225, 10850, 11452, 12152, 12400, 12679, 14315, 15190, 16360, 17360, 19600, 20041, 20450, 21700, 22904, 24304, 25358, 28630, 30380, 32720, 37975, 40082, 40900, 43400, 45808, 50716, 57260, 60760, 63395, 71575, 75950, 80164, 81800, 86800, 88753, 100205, 101432, 114520, 121520, 126790, 143150, 151900, 160328, 163600, 177506, 200410, 202864, 229040, 253580, 286300, 303800, 316975, 320656, 355012, 400820, 443765, 501025, 507160, 572600, 607600, 621271, 633950, 710024, 801640, 887530, 1002050, 1014320, 1145200, 1242542, 1267900, 1420048, 1603280, 1775060, 2004100, 2218825, 2485084, 2535800, 3106355, 3550120, 4008200, 4437650, 4970168, 5071600, 6212710, 7100240, 8016400, 8875300, 9940336, 12425420, 15531775, 17750600, 24850840, 31063550, 35501200, 49701680, 62127100, 124254200, 248508400]

約数ペア:

[(1, 248508400), (2, 124254200), (4, 62127100), (5, 49701680), (7, 35501200), (8, 31063550), (10, 24850840), (14, 17750600), (16, 15531775), (20, 12425420), (25, 9940336), (28, 8875300), (31, 8016400), (35, 7100240), (40, 6212710), (49, 5071600), (50, 4970168), (56, 4437650), (62, 4008200), (70, 3550120), (80, 3106355), (98, 2535800), (100, 2485084), (112, 2218825), (124, 2004100), (140, 1775060), (155, 1603280), (175, 1420048), (196, 1267900), (200, 1242542), (217, 1145200), (245, 1014320), (248, 1002050), (280, 887530), (310, 801640), (350, 710024), (392, 633950), (400, 621271), (409, 607600), (434, 572600), (490, 507160), (496, 501025), (560, 443765), (620, 400820), (700, 355012), (775, 320656), (784, 316975), (818, 303800), (868, 286300), (980, 253580), (1085, 229040), (1225, 202864), (1240, 200410), (1400, 177506), (1519, 163600), (1550, 160328), (1636, 151900), (1736, 143150), (1960, 126790), (2045, 121520), (2170, 114520), (2450, 101432), (2480, 100205), (2800, 88753), (2863, 86800), (3038, 81800), (3100, 80164), (3272, 75950), (3472, 71575), (3920, 63395), (4090, 60760), (4340, 57260), (4900, 50716), (5425, 45808), (5726, 43400), (6076, 40900), (6200, 40082), (6544, 37975), (7595, 32720), (8180, 30380), (8680, 28630), (9800, 25358), (10225, 24304), (10850, 22904), (11452, 21700), (12152, 20450), (12400, 20041), (12679, 19600), (14315, 17360), (15190, 16360)]