201956820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258919}}^1$

素因数の和:258944

約数の個数: 48

約数和(自身を含む): 608979840

約数和(自身を除く): 407023020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 258919, 517838, 776757, 1035676, 1294595, 1553514, 2589190, 3107028, 3365947, 3883785, 5178380, 6731894, 7767570, 10097841, 13463788, 15535140, 16829735, 20195682, 33659470, 40391364, 50489205, 67318940, 100978410, 201956820]

約数ペア:

[(1, 201956820), (2, 100978410), (3, 67318940), (4, 50489205), (5, 40391364), (6, 33659470), (10, 20195682), (12, 16829735), (13, 15535140), (15, 13463788), (20, 10097841), (26, 7767570), (30, 6731894), (39, 5178380), (52, 3883785), (60, 3365947), (65, 3107028), (78, 2589190), (130, 1553514), (156, 1294595), (195, 1035676), (260, 776757), (390, 517838), (780, 258919)]