216312460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16979}}^1$

素因数の和:17015

約数の個数: 72

約数和(自身を含む): 569101680

約数和(自身を除く): 352789220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 16979, 33958, 67916, 84895, 118853, 169790, 220727, 237706, 339580, 441454, 475412, 594265, 831971, 882908, 1103635, 1188530, 1545089, 1663942, 2207270, 2377060, 3090178, 3327884, 4159855, 4414540, 6180356, 7725445, 8319710, 10815623, 15450890, 16639420, 21631246, 30901780, 43262492, 54078115, 108156230, 216312460]

約数ペア:

[(1, 216312460), (2, 108156230), (4, 54078115), (5, 43262492), (7, 30901780), (10, 21631246), (13, 16639420), (14, 15450890), (20, 10815623), (26, 8319710), (28, 7725445), (35, 6180356), (49, 4414540), (52, 4159855), (65, 3327884), (70, 3090178), (91, 2377060), (98, 2207270), (130, 1663942), (140, 1545089), (182, 1188530), (196, 1103635), (245, 882908), (260, 831971), (364, 594265), (455, 475412), (490, 441454), (637, 339580), (910, 237706), (980, 220727), (1274, 169790), (1820, 118853), (2548, 84895), (3185, 67916), (6370, 33958), (12740, 16979)]