72781250

素因数分解:

$2^1\times 5^6\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:186

約数の個数: 56

約数和(自身を含む): 145545012

約数和(自身を除く): 72763762

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 137, 170, 250, 274, 425, 625, 685, 850, 1250, 1370, 2125, 2329, 3125, 3425, 4250, 4658, 6250, 6850, 10625, 11645, 15625, 17125, 21250, 23290, 31250, 34250, 53125, 58225, 85625, 106250, 116450, 171250, 265625, 291125, 428125, 531250, 582250, 856250, 1455625, 2140625, 2911250, 4281250, 7278125, 14556250, 36390625, 72781250]

約数ペア:

[(1, 72781250), (2, 36390625), (5, 14556250), (10, 7278125), (17, 4281250), (25, 2911250), (34, 2140625), (50, 1455625), (85, 856250), (125, 582250), (137, 531250), (170, 428125), (250, 291125), (274, 265625), (425, 171250), (625, 116450), (685, 106250), (850, 85625), (1250, 58225), (1370, 53125), (2125, 34250), (2329, 31250), (3125, 23290), (3425, 21250), (4250, 17125), (4658, 15625), (6250, 11645), (6850, 10625)]