194972240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 469315200

約数和(自身を除く): 274342960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 199, 296, 331, 370, 398, 592, 662, 740, 796, 995, 1324, 1480, 1592, 1655, 1990, 2648, 2960, 3184, 3310, 3980, 5296, 6620, 7363, 7960, 12247, 13240, 14726, 15920, 24494, 26480, 29452, 36815, 48988, 58904, 61235, 65869, 73630, 97976, 117808, 122470, 131738, 147260, 195952, 244940, 263476, 294520, 329345, 489880, 526952, 589040, 658690, 979760, 1053904, 1317380, 2437153, 2634760, 4874306, 5269520, 9748612, 12185765, 19497224, 24371530, 38994448, 48743060, 97486120, 194972240]

約数ペア:

[(1, 194972240), (2, 97486120), (4, 48743060), (5, 38994448), (8, 24371530), (10, 19497224), (16, 12185765), (20, 9748612), (37, 5269520), (40, 4874306), (74, 2634760), (80, 2437153), (148, 1317380), (185, 1053904), (199, 979760), (296, 658690), (331, 589040), (370, 526952), (398, 489880), (592, 329345), (662, 294520), (740, 263476), (796, 244940), (995, 195952), (1324, 147260), (1480, 131738), (1592, 122470), (1655, 117808), (1990, 97976), (2648, 73630), (2960, 65869), (3184, 61235), (3310, 58904), (3980, 48988), (5296, 36815), (6620, 29452), (7363, 26480), (7960, 24494), (12247, 15920), (13240, 14726)]