199591390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1013}}^1$

素因数の和:1117

約数の個数: 64

約数和(自身を含む): 407384640

約数和(自身を除く): 207793250

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 61, 85, 95, 122, 170, 190, 305, 323, 610, 646, 1013, 1037, 1159, 1615, 2026, 2074, 2318, 3230, 5065, 5185, 5795, 10130, 10370, 11590, 17221, 19247, 19703, 34442, 38494, 39406, 61793, 86105, 96235, 98515, 123586, 172210, 192470, 197030, 308965, 327199, 617930, 654398, 1050481, 1174067, 1635995, 2100962, 2348134, 3271990, 5252405, 5870335, 10504810, 11740670, 19959139, 39918278, 99795695, 199591390]

約数ペア:

[(1, 199591390), (2, 99795695), (5, 39918278), (10, 19959139), (17, 11740670), (19, 10504810), (34, 5870335), (38, 5252405), (61, 3271990), (85, 2348134), (95, 2100962), (122, 1635995), (170, 1174067), (190, 1050481), (305, 654398), (323, 617930), (610, 327199), (646, 308965), (1013, 197030), (1037, 192470), (1159, 172210), (1615, 123586), (2026, 98515), (2074, 96235), (2318, 86105), (3230, 61793), (5065, 39406), (5185, 38494), (5795, 34442), (10130, 19703), (10370, 19247), (11590, 17221)]