218249920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:511

約数の個数: 168

約数和(自身を含む): 625449600

約数和(自身を除く): 407199680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 449, 490, 496, 560, 620, 784, 868, 898, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1796, 1960, 1984, 2170, 2240, 2245, 2480, 3038, 3136, 3143, 3472, 3592, 3920, 4340, 4490, 4960, 6076, 6286, 6944, 7184, 7595, 7840, 8680, 8980, 9920, 12152, 12572, 13888, 13919, 14368, 15190, 15680, 15715, 17360, 17960, 22001, 24304, 25144, 27838, 28736, 30380, 31430, 34720, 35920, 44002, 48608, 50288, 55676, 60760, 62860, 69440, 69595, 71840, 88004, 97216, 97433, 100576, 110005, 111352, 121520, 125720, 139190, 143680, 176008, 194866, 201152, 220010, 222704, 243040, 251440, 278380, 352016, 389732, 440020, 445408, 486080, 487165, 502880, 556760, 682031, 704032, 779464, 880040, 890816, 974330, 1005760, 1113520, 1364062, 1408064, 1558928, 1760080, 1948660, 2227040, 2728124, 3117856, 3410155, 3520160, 3897320, 4454080, 5456248, 6235712, 6820310, 7040320, 7794640, 10912496, 13640620, 15589280, 21824992, 27281240, 31178560, 43649984, 54562480, 109124960, 218249920]

約数ペア:

[(1, 218249920), (2, 109124960), (4, 54562480), (5, 43649984), (7, 31178560), (8, 27281240), (10, 21824992), (14, 15589280), (16, 13640620), (20, 10912496), (28, 7794640), (31, 7040320), (32, 6820310), (35, 6235712), (40, 5456248), (49, 4454080), (56, 3897320), (62, 3520160), (64, 3410155), (70, 3117856), (80, 2728124), (98, 2227040), (112, 1948660), (124, 1760080), (140, 1558928), (155, 1408064), (160, 1364062), (196, 1113520), (217, 1005760), (224, 974330), (245, 890816), (248, 880040), (280, 779464), (310, 704032), (320, 682031), (392, 556760), (434, 502880), (448, 487165), (449, 486080), (490, 445408), (496, 440020), (560, 389732), (620, 352016), (784, 278380), (868, 251440), (898, 243040), (980, 222704), (992, 220010), (1085, 201152), (1120, 194866), (1240, 176008), (1519, 143680), (1568, 139190), (1736, 125720), (1796, 121520), (1960, 111352), (1984, 110005), (2170, 100576), (2240, 97433), (2245, 97216), (2480, 88004), (3038, 71840), (3136, 69595), (3143, 69440), (3472, 62860), (3592, 60760), (3920, 55676), (4340, 50288), (4490, 48608), (4960, 44002), (6076, 35920), (6286, 34720), (6944, 31430), (7184, 30380), (7595, 28736), (7840, 27838), (8680, 25144), (8980, 24304), (9920, 22001), (12152, 17960), (12572, 17360), (13888, 15715), (13919, 15680), (14368, 15190)]