28901600

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 144

約数和(自身を含む): 87056928

約数和(自身を除く): 58155328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 130, 140, 160, 175, 182, 200, 208, 224, 260, 280, 325, 350, 364, 397, 400, 416, 455, 520, 560, 650, 700, 728, 794, 800, 910, 1040, 1120, 1300, 1400, 1456, 1588, 1820, 1985, 2080, 2275, 2600, 2779, 2800, 2912, 3176, 3640, 3970, 4550, 5161, 5200, 5558, 5600, 6352, 7280, 7940, 9100, 9925, 10322, 10400, 11116, 12704, 13895, 14560, 15880, 18200, 19850, 20644, 22232, 25805, 27790, 31760, 36127, 36400, 39700, 41288, 44464, 51610, 55580, 63520, 69475, 72254, 72800, 79400, 82576, 88928, 103220, 111160, 129025, 138950, 144508, 158800, 165152, 180635, 206440, 222320, 258050, 277900, 289016, 317600, 361270, 412880, 444640, 516100, 555800, 578032, 722540, 825760, 903175, 1032200, 1111600, 1156064, 1445080, 1806350, 2064400, 2223200, 2890160, 3612700, 4128800, 5780320, 7225400, 14450800, 28901600]

約数ペア:

[(1, 28901600), (2, 14450800), (4, 7225400), (5, 5780320), (7, 4128800), (8, 3612700), (10, 2890160), (13, 2223200), (14, 2064400), (16, 1806350), (20, 1445080), (25, 1156064), (26, 1111600), (28, 1032200), (32, 903175), (35, 825760), (40, 722540), (50, 578032), (52, 555800), (56, 516100), (65, 444640), (70, 412880), (80, 361270), (91, 317600), (100, 289016), (104, 277900), (112, 258050), (130, 222320), (140, 206440), (160, 180635), (175, 165152), (182, 158800), (200, 144508), (208, 138950), (224, 129025), (260, 111160), (280, 103220), (325, 88928), (350, 82576), (364, 79400), (397, 72800), (400, 72254), (416, 69475), (455, 63520), (520, 55580), (560, 51610), (650, 44464), (700, 41288), (728, 39700), (794, 36400), (800, 36127), (910, 31760), (1040, 27790), (1120, 25805), (1300, 22232), (1400, 20644), (1456, 19850), (1588, 18200), (1820, 15880), (1985, 14560), (2080, 13895), (2275, 12704), (2600, 11116), (2779, 10400), (2800, 10322), (2912, 9925), (3176, 9100), (3640, 7940), (3970, 7280), (4550, 6352), (5161, 5600), (5200, 5558)]