636350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 1406160

約数和(自身を除く): 769810

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 89, 110, 130, 143, 178, 275, 286, 325, 445, 550, 650, 715, 890, 979, 1157, 1430, 1958, 2225, 2314, 3575, 4450, 4895, 5785, 7150, 9790, 11570, 12727, 24475, 25454, 28925, 48950, 57850, 63635, 127270, 318175, 636350]

約数ペア:

[(1, 636350), (2, 318175), (5, 127270), (10, 63635), (11, 57850), (13, 48950), (22, 28925), (25, 25454), (26, 24475), (50, 12727), (55, 11570), (65, 9790), (89, 7150), (110, 5785), (130, 4895), (143, 4450), (178, 3575), (275, 2314), (286, 2225), (325, 1958), (445, 1430), (550, 1157), (650, 979), (715, 890)]