201955260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{258917}}^1$

素因数の和:258942

約数の個数: 48

約数和(自身を含む): 608975136

約数和(自身を除く): 407019876

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, 258917, 517834, 776751, 1035668, 1294585, 1553502, 2589170, 3107004, 3365921, 3883755, 5178340, 6731842, 7767510, 10097763, 13463684, 15535020, 16829605, 20195526, 33659210, 40391052, 50488815, 67318420, 100977630, 201955260]

約数ペア:

[(1, 201955260), (2, 100977630), (3, 67318420), (4, 50488815), (5, 40391052), (6, 33659210), (10, 20195526), (12, 16829605), (13, 15535020), (15, 13463684), (20, 10097763), (26, 7767510), (30, 6731842), (39, 5178340), (52, 3883755), (60, 3365921), (65, 3107004), (78, 2589170), (130, 1553502), (156, 1294585), (195, 1035668), (260, 776751), (390, 517834), (780, 258917)]