2019445600

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 144

約数和(自身を含む): 5049520560

約数和(自身を除く): 3030074960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 113, 160, 178, 200, 226, 251, 356, 400, 445, 452, 502, 565, 712, 800, 890, 904, 1004, 1130, 1255, 1424, 1780, 1808, 2008, 2225, 2260, 2510, 2825, 2848, 3560, 3616, 4016, 4450, 4520, 5020, 5650, 6275, 7120, 8032, 8900, 9040, 10040, 10057, 11300, 12550, 14240, 17800, 18080, 20080, 20114, 22339, 22600, 25100, 28363, 35600, 40160, 40228, 44678, 45200, 50200, 50285, 56726, 71200, 80456, 89356, 90400, 100400, 100570, 111695, 113452, 141815, 160912, 178712, 200800, 201140, 223390, 226904, 251425, 283630, 321824, 357424, 402280, 446780, 453808, 502850, 558475, 567260, 709075, 714848, 804560, 893560, 907616, 1005700, 1116950, 1134520, 1418150, 1609120, 1787120, 2011400, 2233900, 2269040, 2524307, 2836300, 3574240, 4022800, 4467800, 4538080, 5048614, 5672600, 8045600, 8935600, 10097228, 11345200, 12621535, 17871200, 20194456, 22690400, 25243070, 40388912, 50486140, 63107675, 80777824, 100972280, 126215350, 201944560, 252430700, 403889120, 504861400, 1009722800, 2019445600]

約数ペア:

[(1, 2019445600), (2, 1009722800), (4, 504861400), (5, 403889120), (8, 252430700), (10, 201944560), (16, 126215350), (20, 100972280), (25, 80777824), (32, 63107675), (40, 50486140), (50, 40388912), (80, 25243070), (89, 22690400), (100, 20194456), (113, 17871200), (160, 12621535), (178, 11345200), (200, 10097228), (226, 8935600), (251, 8045600), (356, 5672600), (400, 5048614), (445, 4538080), (452, 4467800), (502, 4022800), (565, 3574240), (712, 2836300), (800, 2524307), (890, 2269040), (904, 2233900), (1004, 2011400), (1130, 1787120), (1255, 1609120), (1424, 1418150), (1780, 1134520), (1808, 1116950), (2008, 1005700), (2225, 907616), (2260, 893560), (2510, 804560), (2825, 714848), (2848, 709075), (3560, 567260), (3616, 558475), (4016, 502850), (4450, 453808), (4520, 446780), (5020, 402280), (5650, 357424), (6275, 321824), (7120, 283630), (8032, 251425), (8900, 226904), (9040, 223390), (10040, 201140), (10057, 200800), (11300, 178712), (12550, 160912), (14240, 141815), (17800, 113452), (18080, 111695), (20080, 100570), (20114, 100400), (22339, 90400), (22600, 89356), (25100, 80456), (28363, 71200), (35600, 56726), (40160, 50285), (40228, 50200), (44678, 45200)]