89540230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 90085370

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 89, 109, 130, 142, 178, 218, 355, 445, 545, 710, 890, 923, 1090, 1157, 1417, 1846, 2314, 2834, 4615, 5785, 6319, 7085, 7739, 9230, 9701, 11570, 12638, 14170, 15478, 19402, 31595, 38695, 48505, 63190, 77390, 82147, 97010, 100607, 126113, 164294, 201214, 252226, 410735, 503035, 630565, 688771, 821470, 1006070, 1261130, 1377542, 3443855, 6887710, 8954023, 17908046, 44770115, 89540230]

約数ペア:

[(1, 89540230), (2, 44770115), (5, 17908046), (10, 8954023), (13, 6887710), (26, 3443855), (65, 1377542), (71, 1261130), (89, 1006070), (109, 821470), (130, 688771), (142, 630565), (178, 503035), (218, 410735), (355, 252226), (445, 201214), (545, 164294), (710, 126113), (890, 100607), (923, 97010), (1090, 82147), (1157, 77390), (1417, 63190), (1846, 48505), (2314, 38695), (2834, 31595), (4615, 19402), (5785, 15478), (6319, 14170), (7085, 12638), (7739, 11570), (9230, 9701)]