22792900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 54137160

約数和(自身を除く): 31344260

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 178, 197, 260, 325, 356, 394, 445, 650, 788, 890, 985, 1157, 1300, 1780, 1970, 2225, 2314, 2561, 3940, 4450, 4628, 4925, 5122, 5785, 8900, 9850, 10244, 11570, 12805, 17533, 19700, 23140, 25610, 28925, 35066, 51220, 57850, 64025, 70132, 87665, 115700, 128050, 175330, 227929, 256100, 350660, 438325, 455858, 876650, 911716, 1139645, 1753300, 2279290, 4558580, 5698225, 11396450, 22792900]

約数ペア:

[(1, 22792900), (2, 11396450), (4, 5698225), (5, 4558580), (10, 2279290), (13, 1753300), (20, 1139645), (25, 911716), (26, 876650), (50, 455858), (52, 438325), (65, 350660), (89, 256100), (100, 227929), (130, 175330), (178, 128050), (197, 115700), (260, 87665), (325, 70132), (356, 64025), (394, 57850), (445, 51220), (650, 35066), (788, 28925), (890, 25610), (985, 23140), (1157, 19700), (1300, 17533), (1780, 12805), (1970, 11570), (2225, 10244), (2314, 9850), (2561, 8900), (3940, 5785), (4450, 5122), (4628, 4925)]