9400400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:420

約数の個数: 60

約数和(自身を含む): 22971744

約数和(自身を除く): 13571344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 331, 355, 400, 568, 662, 710, 1136, 1324, 1420, 1655, 1775, 2648, 2840, 3310, 3550, 5296, 5680, 6620, 7100, 8275, 13240, 14200, 16550, 23501, 26480, 28400, 33100, 47002, 66200, 94004, 117505, 132400, 188008, 235010, 376016, 470020, 587525, 940040, 1175050, 1880080, 2350100, 4700200, 9400400]

約数ペア:

[(1, 9400400), (2, 4700200), (4, 2350100), (5, 1880080), (8, 1175050), (10, 940040), (16, 587525), (20, 470020), (25, 376016), (40, 235010), (50, 188008), (71, 132400), (80, 117505), (100, 94004), (142, 66200), (200, 47002), (284, 33100), (331, 28400), (355, 26480), (400, 23501), (568, 16550), (662, 14200), (710, 13240), (1136, 8275), (1324, 7100), (1420, 6620), (1655, 5680), (1775, 5296), (2648, 3550), (2840, 3310)]