31605550

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 66330576

約数和(自身を除く): 34725026

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 103, 170, 190, 206, 323, 361, 425, 475, 515, 646, 722, 850, 950, 1030, 1615, 1751, 1805, 1957, 2575, 3230, 3502, 3610, 3914, 5150, 6137, 8075, 8755, 9025, 9785, 12274, 16150, 17510, 18050, 19570, 30685, 33269, 37183, 43775, 48925, 61370, 66538, 74366, 87550, 97850, 153425, 166345, 185915, 306850, 332690, 371830, 632111, 831725, 929575, 1264222, 1663450, 1859150, 3160555, 6321110, 15802775, 31605550]

約数ペア:

[(1, 31605550), (2, 15802775), (5, 6321110), (10, 3160555), (17, 1859150), (19, 1663450), (25, 1264222), (34, 929575), (38, 831725), (50, 632111), (85, 371830), (95, 332690), (103, 306850), (170, 185915), (190, 166345), (206, 153425), (323, 97850), (361, 87550), (425, 74366), (475, 66538), (515, 61370), (646, 48925), (722, 43775), (850, 37183), (950, 33269), (1030, 30685), (1615, 19570), (1751, 18050), (1805, 17510), (1957, 16150), (2575, 12274), (3230, 9785), (3502, 9025), (3610, 8755), (3914, 8075), (5150, 6137)]