201989180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{3163}}^1$

素因数の和:3306

約数の個数: 48

約数和(自身を含む): 442251264

約数和(自身を除く): 240262084

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 2060, 3163, 3193, 6326, 6386, 12652, 12772, 15815, 15965, 31630, 31930, 63260, 63860, 98053, 196106, 325789, 392212, 490265, 651578, 980530, 1303156, 1628945, 1961060, 3257890, 6515780, 10099459, 20198918, 40397836, 50497295, 100994590, 201989180]

約数ペア:

[(1, 201989180), (2, 100994590), (4, 50497295), (5, 40397836), (10, 20198918), (20, 10099459), (31, 6515780), (62, 3257890), (103, 1961060), (124, 1628945), (155, 1303156), (206, 980530), (310, 651578), (412, 490265), (515, 392212), (620, 325789), (1030, 196106), (2060, 98053), (3163, 63860), (3193, 63260), (6326, 31930), (6386, 31630), (12652, 15965), (12772, 15815)]