210790860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21821}}^1$

素因数の和:21863

約数の個数: 96

約数和(自身を含む): 703890432

約数和(自身を除く): 493099572

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, 21821, 43642, 65463, 87284, 109105, 130926, 152747, 218210, 261852, 305494, 327315, 436420, 458241, 501883, 610988, 654630, 763735, 916482, 1003766, 1309260, 1505649, 1527470, 1832964, 2007532, 2291205, 2509415, 3011298, 3054940, 3513181, 4582410, 5018830, 6022596, 7026362, 7528245, 9164820, 10037660, 10539543, 14052724, 15056490, 17565905, 21079086, 30112980, 35131810, 42158172, 52697715, 70263620, 105395430, 210790860]

約数ペア:

[(1, 210790860), (2, 105395430), (3, 70263620), (4, 52697715), (5, 42158172), (6, 35131810), (7, 30112980), (10, 21079086), (12, 17565905), (14, 15056490), (15, 14052724), (20, 10539543), (21, 10037660), (23, 9164820), (28, 7528245), (30, 7026362), (35, 6022596), (42, 5018830), (46, 4582410), (60, 3513181), (69, 3054940), (70, 3011298), (84, 2509415), (92, 2291205), (105, 2007532), (115, 1832964), (138, 1527470), (140, 1505649), (161, 1309260), (210, 1003766), (230, 916482), (276, 763735), (322, 654630), (345, 610988), (420, 501883), (460, 458241), (483, 436420), (644, 327315), (690, 305494), (805, 261852), (966, 218210), (1380, 152747), (1610, 130926), (1932, 109105), (2415, 87284), (3220, 65463), (4830, 43642), (9660, 21821)]