145001780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13451}}^1$

素因数の和:13485

約数の個数: 72

約数和(自身を含む): 386449056

約数和(自身を除く): 241447276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 5390, 10780, 13451, 26902, 53804, 67255, 94157, 134510, 147961, 188314, 269020, 295922, 376628, 470785, 591844, 659099, 739805, 941570, 1035727, 1318198, 1479610, 1883140, 2071454, 2636396, 2959220, 3295495, 4142908, 5178635, 6590990, 7250089, 10357270, 13181980, 14500178, 20714540, 29000356, 36250445, 72500890, 145001780]

約数ペア:

[(1, 145001780), (2, 72500890), (4, 36250445), (5, 29000356), (7, 20714540), (10, 14500178), (11, 13181980), (14, 10357270), (20, 7250089), (22, 6590990), (28, 5178635), (35, 4142908), (44, 3295495), (49, 2959220), (55, 2636396), (70, 2071454), (77, 1883140), (98, 1479610), (110, 1318198), (140, 1035727), (154, 941570), (196, 739805), (220, 659099), (245, 591844), (308, 470785), (385, 376628), (490, 295922), (539, 269020), (770, 188314), (980, 147961), (1078, 134510), (1540, 94157), (2156, 67255), (2695, 53804), (5390, 26902), (10780, 13451)]