201219800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 489343680

約数和(自身を除く): 288123880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 53, 82, 100, 106, 164, 200, 205, 212, 265, 328, 410, 424, 463, 530, 820, 926, 1025, 1060, 1325, 1640, 1852, 2050, 2120, 2173, 2315, 2650, 3704, 4100, 4346, 4630, 5300, 8200, 8692, 9260, 10600, 10865, 11575, 17384, 18520, 18983, 21730, 23150, 24539, 37966, 43460, 46300, 49078, 54325, 75932, 86920, 92600, 94915, 98156, 108650, 122695, 151864, 189830, 196312, 217300, 245390, 379660, 434600, 474575, 490780, 613475, 759320, 949150, 981560, 1006099, 1226950, 1898300, 2012198, 2453900, 3796600, 4024396, 4907800, 5030495, 8048792, 10060990, 20121980, 25152475, 40243960, 50304950, 100609900, 201219800]

約数ペア:

[(1, 201219800), (2, 100609900), (4, 50304950), (5, 40243960), (8, 25152475), (10, 20121980), (20, 10060990), (25, 8048792), (40, 5030495), (41, 4907800), (50, 4024396), (53, 3796600), (82, 2453900), (100, 2012198), (106, 1898300), (164, 1226950), (200, 1006099), (205, 981560), (212, 949150), (265, 759320), (328, 613475), (410, 490780), (424, 474575), (463, 434600), (530, 379660), (820, 245390), (926, 217300), (1025, 196312), (1060, 189830), (1325, 151864), (1640, 122695), (1852, 108650), (2050, 98156), (2120, 94915), (2173, 92600), (2315, 86920), (2650, 75932), (3704, 54325), (4100, 49078), (4346, 46300), (4630, 43460), (5300, 37966), (8200, 24539), (8692, 23150), (9260, 21730), (10600, 18983), (10865, 18520), (11575, 17384)]