19005807700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{110051}}^1$

素因数の和:110233

約数の個数: 72

約数和(自身を含む): 45278914464

約数和(自身を除く): 26273106764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 157, 220, 275, 314, 550, 628, 785, 1100, 1570, 1727, 3140, 3454, 3925, 6908, 7850, 8635, 15700, 17270, 34540, 43175, 86350, 110051, 172700, 220102, 440204, 550255, 1100510, 1210561, 2201020, 2421122, 2751275, 4842244, 5502550, 6052805, 11005100, 12105610, 17278007, 24211220, 30264025, 34556014, 60528050, 69112028, 86390035, 121056100, 172780070, 190058077, 345560140, 380116154, 431950175, 760232308, 863900350, 950290385, 1727800700, 1900580770, 3801161540, 4751451925, 9502903850, 19005807700]

約数ペア:

[(1, 19005807700), (2, 9502903850), (4, 4751451925), (5, 3801161540), (10, 1900580770), (11, 1727800700), (20, 950290385), (22, 863900350), (25, 760232308), (44, 431950175), (50, 380116154), (55, 345560140), (100, 190058077), (110, 172780070), (157, 121056100), (220, 86390035), (275, 69112028), (314, 60528050), (550, 34556014), (628, 30264025), (785, 24211220), (1100, 17278007), (1570, 12105610), (1727, 11005100), (3140, 6052805), (3454, 5502550), (3925, 4842244), (6908, 2751275), (7850, 2421122), (8635, 2201020), (15700, 1210561), (17270, 1100510), (34540, 550255), (43175, 440204), (86350, 220102), (110051, 172700)]