620139940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3889}}^1$

素因数の和:3989

約数の個数: 96

約数和(自身を含む): 1599816960

約数和(自身を除く): 979677020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 67, 68, 70, 85, 119, 134, 140, 170, 238, 268, 335, 340, 469, 476, 595, 670, 938, 1139, 1190, 1340, 1876, 2278, 2345, 2380, 3889, 4556, 4690, 5695, 7778, 7973, 9380, 11390, 15556, 15946, 19445, 22780, 27223, 31892, 38890, 39865, 54446, 66113, 77780, 79730, 108892, 132226, 136115, 159460, 260563, 264452, 272230, 330565, 462791, 521126, 544460, 661130, 925582, 1042252, 1302815, 1322260, 1823941, 1851164, 2313955, 2605630, 3647882, 4429571, 4627910, 5211260, 7295764, 8859142, 9119705, 9255820, 17718284, 18239410, 22147855, 31006997, 36478820, 44295710, 62013994, 88591420, 124027988, 155034985, 310069970, 620139940]

約数ペア:

[(1, 620139940), (2, 310069970), (4, 155034985), (5, 124027988), (7, 88591420), (10, 62013994), (14, 44295710), (17, 36478820), (20, 31006997), (28, 22147855), (34, 18239410), (35, 17718284), (67, 9255820), (68, 9119705), (70, 8859142), (85, 7295764), (119, 5211260), (134, 4627910), (140, 4429571), (170, 3647882), (238, 2605630), (268, 2313955), (335, 1851164), (340, 1823941), (469, 1322260), (476, 1302815), (595, 1042252), (670, 925582), (938, 661130), (1139, 544460), (1190, 521126), (1340, 462791), (1876, 330565), (2278, 272230), (2345, 264452), (2380, 260563), (3889, 159460), (4556, 136115), (4690, 132226), (5695, 108892), (7778, 79730), (7973, 77780), (9380, 66113), (11390, 54446), (15556, 39865), (15946, 38890), (19445, 31892), (22780, 27223)]