202121220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{1789}}^1$

素因数の和:2077

約数の個数: 96

約数和(自身を含む): 649555200

約数和(自身を除く): 447433980

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, 210, 269, 420, 538, 807, 1076, 1345, 1614, 1789, 1883, 2690, 3228, 3578, 3766, 4035, 5367, 5380, 5649, 7156, 7532, 8070, 8945, 9415, 10734, 11298, 12523, 16140, 17890, 18830, 21468, 22596, 25046, 26835, 28245, 35780, 37569, 37660, 50092, 53670, 56490, 62615, 75138, 107340, 112980, 125230, 150276, 187845, 250460, 375690, 481241, 751380, 962482, 1443723, 1924964, 2406205, 2887446, 3368687, 4812410, 5774892, 6737374, 7218615, 9624820, 10106061, 13474748, 14437230, 16843435, 20212122, 28874460, 33686870, 40424244, 50530305, 67373740, 101060610, 202121220]

約数ペア:

[(1, 202121220), (2, 101060610), (3, 67373740), (4, 50530305), (5, 40424244), (6, 33686870), (7, 28874460), (10, 20212122), (12, 16843435), (14, 14437230), (15, 13474748), (20, 10106061), (21, 9624820), (28, 7218615), (30, 6737374), (35, 5774892), (42, 4812410), (60, 3368687), (70, 2887446), (84, 2406205), (105, 1924964), (140, 1443723), (210, 962482), (269, 751380), (420, 481241), (538, 375690), (807, 250460), (1076, 187845), (1345, 150276), (1614, 125230), (1789, 112980), (1883, 107340), (2690, 75138), (3228, 62615), (3578, 56490), (3766, 53670), (4035, 50092), (5367, 37660), (5380, 37569), (5649, 35780), (7156, 28245), (7532, 26835), (8070, 25046), (8945, 22596), (9415, 21468), (10734, 18830), (11298, 17890), (12523, 16140)]