197865780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20483}}^1$

素因数の和:20525

約数の個数: 96

約数和(自身を含む): 660731904

約数和(自身を除く): 462866124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 20483, 40966, 61449, 81932, 102415, 122898, 143381, 204830, 245796, 286762, 307245, 409660, 430143, 471109, 573524, 614490, 716905, 860286, 942218, 1228980, 1413327, 1433810, 1720572, 1884436, 2150715, 2355545, 2826654, 2867620, 3297763, 4301430, 4711090, 5653308, 6595526, 7066635, 8602860, 9422180, 9893289, 13191052, 14133270, 16488815, 19786578, 28266540, 32977630, 39573156, 49466445, 65955260, 98932890, 197865780]

約数ペア:

[(1, 197865780), (2, 98932890), (3, 65955260), (4, 49466445), (5, 39573156), (6, 32977630), (7, 28266540), (10, 19786578), (12, 16488815), (14, 14133270), (15, 13191052), (20, 9893289), (21, 9422180), (23, 8602860), (28, 7066635), (30, 6595526), (35, 5653308), (42, 4711090), (46, 4301430), (60, 3297763), (69, 2867620), (70, 2826654), (84, 2355545), (92, 2150715), (105, 1884436), (115, 1720572), (138, 1433810), (140, 1413327), (161, 1228980), (210, 942218), (230, 860286), (276, 716905), (322, 614490), (345, 573524), (420, 471109), (460, 430143), (483, 409660), (644, 307245), (690, 286762), (805, 245796), (966, 204830), (1380, 143381), (1610, 122898), (1932, 102415), (2415, 81932), (3220, 61449), (4830, 40966), (9660, 20483)]