1999701500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7589}}^1$

素因数の和:7656

約数の個数: 96

約数和(自身を含む): 4774049280

約数和(自身を除く): 2774347780

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 125, 155, 170, 250, 310, 340, 425, 500, 527, 620, 775, 850, 1054, 1550, 1700, 2108, 2125, 2635, 3100, 3875, 4250, 5270, 7589, 7750, 8500, 10540, 13175, 15178, 15500, 26350, 30356, 37945, 52700, 65875, 75890, 129013, 131750, 151780, 189725, 235259, 258026, 263500, 379450, 470518, 516052, 645065, 758900, 941036, 948625, 1176295, 1290130, 1897250, 2352590, 2580260, 3225325, 3794500, 3999403, 4705180, 5881475, 6450650, 7998806, 11762950, 12901300, 15997612, 16126625, 19997015, 23525900, 29407375, 32253250, 39994030, 58814750, 64506500, 79988060, 99985075, 117629500, 199970150, 399940300, 499925375, 999850750, 1999701500]

約数ペア:

[(1, 1999701500), (2, 999850750), (4, 499925375), (5, 399940300), (10, 199970150), (17, 117629500), (20, 99985075), (25, 79988060), (31, 64506500), (34, 58814750), (50, 39994030), (62, 32253250), (68, 29407375), (85, 23525900), (100, 19997015), (124, 16126625), (125, 15997612), (155, 12901300), (170, 11762950), (250, 7998806), (310, 6450650), (340, 5881475), (425, 4705180), (500, 3999403), (527, 3794500), (620, 3225325), (775, 2580260), (850, 2352590), (1054, 1897250), (1550, 1290130), (1700, 1176295), (2108, 948625), (2125, 941036), (2635, 758900), (3100, 645065), (3875, 516052), (4250, 470518), (5270, 379450), (7589, 263500), (7750, 258026), (8500, 235259), (10540, 189725), (13175, 151780), (15178, 131750), (15500, 129013), (26350, 75890), (30356, 65875), (37945, 52700)]