280989860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 643507200

約数和(自身を除く): 362517340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 83, 95, 118, 151, 166, 190, 236, 295, 302, 332, 380, 415, 590, 604, 755, 830, 1121, 1180, 1510, 1577, 1660, 2242, 2869, 3020, 3154, 4484, 4897, 5605, 5738, 6308, 7885, 8909, 9794, 11210, 11476, 12533, 14345, 15770, 17818, 19588, 22420, 24485, 25066, 28690, 31540, 35636, 44545, 48970, 50132, 57380, 62665, 89090, 93043, 97940, 125330, 169271, 178180, 186086, 238127, 250660, 338542, 372172, 465215, 476254, 677084, 739447, 846355, 930430, 952508, 1190635, 1478894, 1692710, 1860860, 2381270, 2957788, 3385420, 3697235, 4762540, 7394470, 14049493, 14788940, 28098986, 56197972, 70247465, 140494930, 280989860]

約数ペア:

[(1, 280989860), (2, 140494930), (4, 70247465), (5, 56197972), (10, 28098986), (19, 14788940), (20, 14049493), (38, 7394470), (59, 4762540), (76, 3697235), (83, 3385420), (95, 2957788), (118, 2381270), (151, 1860860), (166, 1692710), (190, 1478894), (236, 1190635), (295, 952508), (302, 930430), (332, 846355), (380, 739447), (415, 677084), (590, 476254), (604, 465215), (755, 372172), (830, 338542), (1121, 250660), (1180, 238127), (1510, 186086), (1577, 178180), (1660, 169271), (2242, 125330), (2869, 97940), (3020, 93043), (3154, 89090), (4484, 62665), (4897, 57380), (5605, 50132), (5738, 48970), (6308, 44545), (7885, 35636), (8909, 31540), (9794, 28690), (11210, 25066), (11476, 24485), (12533, 22420), (14345, 19588), (15770, 17818)]