128906950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{569}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 251903520

約数和(自身を除く): 122996570

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 197, 230, 394, 569, 575, 985, 1138, 1150, 1970, 2845, 4531, 4925, 5690, 9062, 9850, 13087, 14225, 22655, 26174, 28450, 45310, 65435, 112093, 113275, 130870, 224186, 226550, 327175, 560465, 654350, 1120930, 2578139, 2802325, 5156278, 5604650, 12890695, 25781390, 64453475, 128906950]

約数ペア:

[(1, 128906950), (2, 64453475), (5, 25781390), (10, 12890695), (23, 5604650), (25, 5156278), (46, 2802325), (50, 2578139), (115, 1120930), (197, 654350), (230, 560465), (394, 327175), (569, 226550), (575, 224186), (985, 130870), (1138, 113275), (1150, 112093), (1970, 65435), (2845, 45310), (4531, 28450), (4925, 26174), (5690, 22655), (9062, 14225), (9850, 13087)]