209719140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{205607}}^1$

素因数の和:205636

約数の個数: 48

約数和(自身を含む): 621758592

約数和(自身を除く): 412039452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 205607, 411214, 616821, 822428, 1028035, 1233642, 2056070, 2467284, 3084105, 3495319, 4112140, 6168210, 6990638, 10485957, 12336420, 13981276, 17476595, 20971914, 34953190, 41943828, 52429785, 69906380, 104859570, 209719140]

約数ペア:

[(1, 209719140), (2, 104859570), (3, 69906380), (4, 52429785), (5, 41943828), (6, 34953190), (10, 20971914), (12, 17476595), (15, 13981276), (17, 12336420), (20, 10485957), (30, 6990638), (34, 6168210), (51, 4112140), (60, 3495319), (68, 3084105), (85, 2467284), (102, 2056070), (170, 1233642), (204, 1028035), (255, 822428), (340, 616821), (510, 411214), (1020, 205607)]