206861650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 394849728

約数和(自身を除く): 187988078

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 251, 265, 311, 502, 530, 622, 1255, 1325, 1555, 2510, 2650, 3110, 6275, 7775, 12550, 13303, 15550, 16483, 26606, 32966, 66515, 78061, 82415, 133030, 156122, 164830, 332575, 390305, 412075, 665150, 780610, 824150, 1951525, 3903050, 4137233, 8274466, 20686165, 41372330, 103430825, 206861650]

約数ペア:

[(1, 206861650), (2, 103430825), (5, 41372330), (10, 20686165), (25, 8274466), (50, 4137233), (53, 3903050), (106, 1951525), (251, 824150), (265, 780610), (311, 665150), (502, 412075), (530, 390305), (622, 332575), (1255, 164830), (1325, 156122), (1555, 133030), (2510, 82415), (2650, 78061), (3110, 66515), (6275, 32966), (7775, 26606), (12550, 16483), (13303, 15550)]