1900599260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1136

約数の個数: 144

約数和(自身を含む): 4939683840

約数和(自身を除く): 3039084580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 103, 133, 140, 190, 196, 206, 245, 266, 380, 412, 490, 515, 532, 665, 721, 931, 980, 991, 1030, 1330, 1442, 1862, 1957, 1982, 2060, 2660, 2884, 3605, 3724, 3914, 3964, 4655, 4955, 5047, 6937, 7210, 7828, 9310, 9785, 9910, 10094, 13699, 13874, 14420, 18620, 18829, 19570, 19820, 20188, 25235, 27398, 27748, 34685, 37658, 39140, 48559, 50470, 54796, 68495, 69370, 75316, 94145, 95893, 97118, 100940, 102073, 131803, 136990, 138740, 188290, 191786, 194236, 204146, 242795, 263606, 273980, 376580, 383572, 408292, 479465, 485590, 510365, 527212, 659015, 714511, 922621, 958930, 971180, 1020730, 1318030, 1429022, 1845242, 1917860, 1939387, 2041460, 2636060, 2858044, 3572555, 3690484, 3878774, 4613105, 5001577, 7145110, 7757548, 9226210, 9696935, 10003154, 13575709, 14290220, 18452420, 19393870, 20006308, 25007885, 27151418, 38787740, 50015770, 54302836, 67878545, 95029963, 100031540, 135757090, 190059926, 271514180, 380119852, 475149815, 950299630, 1900599260]

約数ペア:

[(1, 1900599260), (2, 950299630), (4, 475149815), (5, 380119852), (7, 271514180), (10, 190059926), (14, 135757090), (19, 100031540), (20, 95029963), (28, 67878545), (35, 54302836), (38, 50015770), (49, 38787740), (70, 27151418), (76, 25007885), (95, 20006308), (98, 19393870), (103, 18452420), (133, 14290220), (140, 13575709), (190, 10003154), (196, 9696935), (206, 9226210), (245, 7757548), (266, 7145110), (380, 5001577), (412, 4613105), (490, 3878774), (515, 3690484), (532, 3572555), (665, 2858044), (721, 2636060), (931, 2041460), (980, 1939387), (991, 1917860), (1030, 1845242), (1330, 1429022), (1442, 1318030), (1862, 1020730), (1957, 971180), (1982, 958930), (2060, 922621), (2660, 714511), (2884, 659015), (3605, 527212), (3724, 510365), (3914, 485590), (3964, 479465), (4655, 408292), (4955, 383572), (5047, 376580), (6937, 273980), (7210, 263606), (7828, 242795), (9310, 204146), (9785, 194236), (9910, 191786), (10094, 188290), (13699, 138740), (13874, 136990), (14420, 131803), (18620, 102073), (18829, 100940), (19570, 97118), (19820, 95893), (20188, 94145), (25235, 75316), (27398, 69370), (27748, 68495), (34685, 54796), (37658, 50470), (39140, 48559)]