9709720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 23522400

約数和(自身を除く): 13812680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 131, 136, 170, 218, 262, 340, 436, 524, 545, 655, 680, 872, 1048, 1090, 1310, 1853, 2180, 2227, 2620, 3706, 4360, 4454, 5240, 7412, 8908, 9265, 11135, 14279, 14824, 17816, 18530, 22270, 28558, 37060, 44540, 57116, 71395, 74120, 89080, 114232, 142790, 242743, 285580, 485486, 571160, 970972, 1213715, 1941944, 2427430, 4854860, 9709720]

約数ペア:

[(1, 9709720), (2, 4854860), (4, 2427430), (5, 1941944), (8, 1213715), (10, 970972), (17, 571160), (20, 485486), (34, 285580), (40, 242743), (68, 142790), (85, 114232), (109, 89080), (131, 74120), (136, 71395), (170, 57116), (218, 44540), (262, 37060), (340, 28558), (436, 22270), (524, 18530), (545, 17816), (655, 14824), (680, 14279), (872, 11135), (1048, 9265), (1090, 8908), (1310, 7412), (1853, 5240), (2180, 4454), (2227, 4360), (2620, 3706)]