71002400

素因数分解:

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

素因数の和:467

約数の個数: 144

約数和(自身を含む): 204986880

約数和(自身を除く): 133984480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 409, 434, 496, 560, 620, 700, 775, 800, 818, 868, 992, 1085, 1120, 1240, 1400, 1550, 1636, 1736, 2045, 2170, 2480, 2800, 2863, 3100, 3272, 3472, 4090, 4340, 4960, 5425, 5600, 5726, 6200, 6544, 6944, 8180, 8680, 10225, 10850, 11452, 12400, 12679, 13088, 14315, 16360, 17360, 20450, 21700, 22904, 24800, 25358, 28630, 32720, 34720, 40900, 43400, 45808, 50716, 57260, 63395, 65440, 71575, 81800, 86800, 88753, 91616, 101432, 114520, 126790, 143150, 163600, 173600, 177506, 202864, 229040, 253580, 286300, 316975, 327200, 355012, 405728, 443765, 458080, 507160, 572600, 633950, 710024, 887530, 1014320, 1145200, 1267900, 1420048, 1775060, 2028640, 2218825, 2290400, 2535800, 2840096, 3550120, 4437650, 5071600, 7100240, 8875300, 10143200, 14200480, 17750600, 35501200, 71002400]

約数ペア:

[(1, 71002400), (2, 35501200), (4, 17750600), (5, 14200480), (7, 10143200), (8, 8875300), (10, 7100240), (14, 5071600), (16, 4437650), (20, 3550120), (25, 2840096), (28, 2535800), (31, 2290400), (32, 2218825), (35, 2028640), (40, 1775060), (50, 1420048), (56, 1267900), (62, 1145200), (70, 1014320), (80, 887530), (100, 710024), (112, 633950), (124, 572600), (140, 507160), (155, 458080), (160, 443765), (175, 405728), (200, 355012), (217, 327200), (224, 316975), (248, 286300), (280, 253580), (310, 229040), (350, 202864), (400, 177506), (409, 173600), (434, 163600), (496, 143150), (560, 126790), (620, 114520), (700, 101432), (775, 91616), (800, 88753), (818, 86800), (868, 81800), (992, 71575), (1085, 65440), (1120, 63395), (1240, 57260), (1400, 50716), (1550, 45808), (1636, 43400), (1736, 40900), (2045, 34720), (2170, 32720), (2480, 28630), (2800, 25358), (2863, 24800), (3100, 22904), (3272, 21700), (3472, 20450), (4090, 17360), (4340, 16360), (4960, 14315), (5425, 13088), (5600, 12679), (5726, 12400), (6200, 11452), (6544, 10850), (6944, 10225), (8180, 8680)]