202187980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1373}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 438580800

約数和(自身を除く): 236392820

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 398, 740, 796, 995, 1373, 1990, 2746, 3980, 5492, 6865, 7363, 13730, 14726, 27460, 29452, 36815, 50801, 73630, 101602, 147260, 203204, 254005, 273227, 508010, 546454, 1016020, 1092908, 1366135, 2732270, 5464540, 10109399, 20218798, 40437596, 50546995, 101093990, 202187980]

約数ペア:

[(1, 202187980), (2, 101093990), (4, 50546995), (5, 40437596), (10, 20218798), (20, 10109399), (37, 5464540), (74, 2732270), (148, 1366135), (185, 1092908), (199, 1016020), (370, 546454), (398, 508010), (740, 273227), (796, 254005), (995, 203204), (1373, 147260), (1990, 101602), (2746, 73630), (3980, 50801), (5492, 36815), (6865, 29452), (7363, 27460), (13730, 14726)]