313618940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 726835200

約数和(自身を除く): 413216260

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 79, 95, 124, 155, 158, 190, 310, 316, 337, 380, 395, 589, 620, 674, 790, 1178, 1348, 1501, 1580, 1685, 2356, 2449, 2945, 3002, 3370, 4898, 5890, 6004, 6403, 6740, 7505, 9796, 10447, 11780, 12245, 12806, 15010, 20894, 24490, 25612, 26623, 30020, 32015, 41788, 46531, 48980, 52235, 53246, 64030, 93062, 104470, 106492, 128060, 133115, 186124, 198493, 208940, 232655, 266230, 396986, 465310, 505837, 532460, 793972, 825313, 930620, 992465, 1011674, 1650626, 1984930, 2023348, 2529185, 3301252, 3969860, 4126565, 5058370, 8253130, 10116740, 15680947, 16506260, 31361894, 62723788, 78404735, 156809470, 313618940]

約数ペア:

[(1, 313618940), (2, 156809470), (4, 78404735), (5, 62723788), (10, 31361894), (19, 16506260), (20, 15680947), (31, 10116740), (38, 8253130), (62, 5058370), (76, 4126565), (79, 3969860), (95, 3301252), (124, 2529185), (155, 2023348), (158, 1984930), (190, 1650626), (310, 1011674), (316, 992465), (337, 930620), (380, 825313), (395, 793972), (589, 532460), (620, 505837), (674, 465310), (790, 396986), (1178, 266230), (1348, 232655), (1501, 208940), (1580, 198493), (1685, 186124), (2356, 133115), (2449, 128060), (2945, 106492), (3002, 104470), (3370, 93062), (4898, 64030), (5890, 53246), (6004, 52235), (6403, 48980), (6740, 46531), (7505, 41788), (9796, 32015), (10447, 30020), (11780, 26623), (12245, 25612), (12806, 24490), (15010, 20894)]