221510360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1307}}^1$

素因数の和:1560

約数の個数: 64

約数和(自身を含む): 527385600

約数和(自身を除く): 305875240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 223, 380, 446, 760, 892, 1115, 1307, 1784, 2230, 2614, 4237, 4460, 5228, 6535, 8474, 8920, 10456, 13070, 16948, 21185, 24833, 26140, 33896, 42370, 49666, 52280, 84740, 99332, 124165, 169480, 198664, 248330, 291461, 496660, 582922, 993320, 1165844, 1457305, 2331688, 2914610, 5537759, 5829220, 11075518, 11658440, 22151036, 27688795, 44302072, 55377590, 110755180, 221510360]

約数ペア:

[(1, 221510360), (2, 110755180), (4, 55377590), (5, 44302072), (8, 27688795), (10, 22151036), (19, 11658440), (20, 11075518), (38, 5829220), (40, 5537759), (76, 2914610), (95, 2331688), (152, 1457305), (190, 1165844), (223, 993320), (380, 582922), (446, 496660), (760, 291461), (892, 248330), (1115, 198664), (1307, 169480), (1784, 124165), (2230, 99332), (2614, 84740), (4237, 52280), (4460, 49666), (5228, 42370), (6535, 33896), (8474, 26140), (8920, 24833), (10456, 21185), (13070, 16948)]