1863059440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{111427}}^1$

素因数の和:111470

約数の個数: 80

約数和(自身を含む): 4974145920

約数和(自身を除く): 3111086480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 111427, 222854, 445708, 557135, 891416, 1114270, 1225697, 1782832, 2117113, 2228540, 2451394, 4234226, 4457080, 4902788, 6128485, 8468452, 8914160, 9805576, 10585565, 12256970, 16936904, 19611152, 21171130, 23288243, 24513940, 33873808, 42342260, 46576486, 49027880, 84684520, 93152972, 98055760, 116441215, 169369040, 186305944, 232882430, 372611888, 465764860, 931529720, 1863059440]

約数ペア:

[(1, 1863059440), (2, 931529720), (4, 465764860), (5, 372611888), (8, 232882430), (10, 186305944), (11, 169369040), (16, 116441215), (19, 98055760), (20, 93152972), (22, 84684520), (38, 49027880), (40, 46576486), (44, 42342260), (55, 33873808), (76, 24513940), (80, 23288243), (88, 21171130), (95, 19611152), (110, 16936904), (152, 12256970), (176, 10585565), (190, 9805576), (209, 8914160), (220, 8468452), (304, 6128485), (380, 4902788), (418, 4457080), (440, 4234226), (760, 2451394), (836, 2228540), (880, 2117113), (1045, 1782832), (1520, 1225697), (1672, 1114270), (2090, 891416), (3344, 557135), (4180, 445708), (8360, 222854), (16720, 111427)]