9780756470

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 18119376000

約数和(自身を除く): 8338619530

約数列:

[1, 2, 5, 10, 61, 122, 197, 199, 305, 394, 398, 409, 610, 818, 985, 995, 1970, 1990, 2045, 4090, 12017, 12139, 24034, 24278, 24949, 39203, 49898, 60085, 60695, 78406, 80573, 81391, 120170, 121390, 124745, 161146, 162782, 196015, 249490, 392030, 402865, 406955, 805730, 813910, 2391383, 4782766, 4914953, 4964851, 9829906, 9929702, 11956915, 16034027, 23913830, 24574765, 24824255, 32068054, 49149530, 49648510, 80170135, 160340270, 978075647, 1956151294, 4890378235, 9780756470]

約数ペア:

[(1, 9780756470), (2, 4890378235), (5, 1956151294), (10, 978075647), (61, 160340270), (122, 80170135), (197, 49648510), (199, 49149530), (305, 32068054), (394, 24824255), (398, 24574765), (409, 23913830), (610, 16034027), (818, 11956915), (985, 9929702), (995, 9829906), (1970, 4964851), (1990, 4914953), (2045, 4782766), (4090, 2391383), (12017, 813910), (12139, 805730), (24034, 406955), (24278, 402865), (24949, 392030), (39203, 249490), (49898, 196015), (60085, 162782), (60695, 161146), (78406, 124745), (80573, 121390), (81391, 120170)]