821842140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{9833}}^1$

素因数の和:10051

約数の個数: 96

約数和(自身を含む): 2643379200

約数和(自身を除く): 1821537060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 199, 210, 398, 420, 597, 796, 995, 1194, 1393, 1990, 2388, 2786, 2985, 3980, 4179, 5572, 5970, 6965, 8358, 9833, 11940, 13930, 16716, 19666, 20895, 27860, 29499, 39332, 41790, 49165, 58998, 68831, 83580, 98330, 117996, 137662, 147495, 196660, 206493, 275324, 294990, 344155, 412986, 589980, 688310, 825972, 1032465, 1376620, 1956767, 2064930, 3913534, 4129860, 5870301, 7827068, 9783835, 11740602, 13697369, 19567670, 23481204, 27394738, 29351505, 39135340, 41092107, 54789476, 58703010, 68486845, 82184214, 117406020, 136973690, 164368428, 205460535, 273947380, 410921070, 821842140]

約数ペア:

[(1, 821842140), (2, 410921070), (3, 273947380), (4, 205460535), (5, 164368428), (6, 136973690), (7, 117406020), (10, 82184214), (12, 68486845), (14, 58703010), (15, 54789476), (20, 41092107), (21, 39135340), (28, 29351505), (30, 27394738), (35, 23481204), (42, 19567670), (60, 13697369), (70, 11740602), (84, 9783835), (105, 7827068), (140, 5870301), (199, 4129860), (210, 3913534), (398, 2064930), (420, 1956767), (597, 1376620), (796, 1032465), (995, 825972), (1194, 688310), (1393, 589980), (1990, 412986), (2388, 344155), (2786, 294990), (2985, 275324), (3980, 206493), (4179, 196660), (5572, 147495), (5970, 137662), (6965, 117996), (8358, 98330), (9833, 83580), (11940, 68831), (13930, 58998), (16716, 49165), (19666, 41790), (20895, 39332), (27860, 29499)]