1979508100

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 4654702080

約数和(自身を除く): 2675193980

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 97, 100, 116, 124, 145, 155, 194, 227, 290, 310, 388, 454, 485, 580, 620, 725, 775, 899, 908, 970, 1135, 1450, 1550, 1798, 1940, 2270, 2425, 2813, 2900, 3007, 3100, 3596, 4495, 4540, 4850, 5626, 5675, 6014, 6583, 7037, 8990, 9700, 11252, 11350, 12028, 13166, 14065, 14074, 15035, 17980, 22019, 22475, 22700, 26332, 28130, 28148, 30070, 32915, 35185, 44038, 44950, 56260, 60140, 65830, 70325, 70370, 75175, 87203, 88076, 89900, 110095, 131660, 140650, 140740, 150350, 164575, 174406, 175925, 204073, 220190, 281300, 300700, 329150, 348812, 351850, 408146, 436015, 440380, 550475, 638551, 658300, 682589, 703700, 816292, 872030, 1020365, 1100950, 1277102, 1365178, 1744060, 2040730, 2180075, 2201900, 2554204, 2730356, 3192755, 3412945, 4081460, 4360150, 5101825, 6385510, 6825890, 8720300, 10203650, 12771020, 13651780, 15963775, 17064725, 19795081, 20407300, 31927550, 34129450, 39590162, 63855100, 68258900, 79180324, 98975405, 197950810, 395901620, 494877025, 989754050, 1979508100]

約数ペア:

[(1, 1979508100), (2, 989754050), (4, 494877025), (5, 395901620), (10, 197950810), (20, 98975405), (25, 79180324), (29, 68258900), (31, 63855100), (50, 39590162), (58, 34129450), (62, 31927550), (97, 20407300), (100, 19795081), (116, 17064725), (124, 15963775), (145, 13651780), (155, 12771020), (194, 10203650), (227, 8720300), (290, 6825890), (310, 6385510), (388, 5101825), (454, 4360150), (485, 4081460), (580, 3412945), (620, 3192755), (725, 2730356), (775, 2554204), (899, 2201900), (908, 2180075), (970, 2040730), (1135, 1744060), (1450, 1365178), (1550, 1277102), (1798, 1100950), (1940, 1020365), (2270, 872030), (2425, 816292), (2813, 703700), (2900, 682589), (3007, 658300), (3100, 638551), (3596, 550475), (4495, 440380), (4540, 436015), (4850, 408146), (5626, 351850), (5675, 348812), (6014, 329150), (6583, 300700), (7037, 281300), (8990, 220190), (9700, 204073), (11252, 175925), (11350, 174406), (12028, 164575), (13166, 150350), (14065, 140740), (14074, 140650), (15035, 131660), (17980, 110095), (22019, 89900), (22475, 88076), (22700, 87203), (26332, 75175), (28130, 70370), (28148, 70325), (30070, 65830), (32915, 60140), (35185, 56260), (44038, 44950)]