31871940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31247}}^1$

素因数の和:31276

約数の個数: 48

約数和(自身を含む): 94493952

約数和(自身を除く): 62622012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 31247, 62494, 93741, 124988, 156235, 187482, 312470, 374964, 468705, 531199, 624940, 937410, 1062398, 1593597, 1874820, 2124796, 2655995, 3187194, 5311990, 6374388, 7967985, 10623980, 15935970, 31871940]

約数ペア:

[(1, 31871940), (2, 15935970), (3, 10623980), (4, 7967985), (5, 6374388), (6, 5311990), (10, 3187194), (12, 2655995), (15, 2124796), (17, 1874820), (20, 1593597), (30, 1062398), (34, 937410), (51, 624940), (60, 531199), (68, 468705), (85, 374964), (102, 312470), (170, 187482), (204, 156235), (255, 124988), (340, 93741), (510, 62494), (1020, 31247)]