220478440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 192

約数和(自身を含む): 659307600

約数和(自身を除く): 438829160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 85, 91, 98, 104, 119, 130, 136, 140, 170, 182, 196, 221, 238, 245, 260, 280, 340, 364, 392, 442, 455, 476, 490, 509, 520, 595, 637, 680, 728, 833, 884, 910, 952, 980, 1018, 1105, 1190, 1274, 1547, 1666, 1768, 1820, 1960, 2036, 2210, 2380, 2545, 2548, 3094, 3185, 3332, 3563, 3640, 4072, 4165, 4420, 4760, 5090, 5096, 6188, 6370, 6617, 6664, 7126, 7735, 8330, 8653, 8840, 10180, 10829, 12376, 12740, 13234, 14252, 15470, 16660, 17306, 17815, 20360, 21658, 24941, 25480, 26468, 28504, 30940, 33085, 33320, 34612, 35630, 43265, 43316, 46319, 49882, 52936, 54145, 60571, 61880, 66170, 69224, 71260, 86530, 86632, 92638, 99764, 108290, 112489, 121142, 124705, 132340, 142520, 173060, 185276, 199528, 216580, 224978, 231595, 242284, 249410, 264680, 302855, 324233, 346120, 370552, 423997, 433160, 449956, 463190, 484568, 498820, 562445, 605710, 648466, 787423, 847994, 899912, 926380, 997640, 1124890, 1211420, 1296932, 1574846, 1621165, 1695988, 1852760, 2119985, 2249780, 2422840, 2593864, 3149692, 3242330, 3391976, 3937115, 4239970, 4499560, 5511961, 6299384, 6484660, 7874230, 8479940, 11023922, 12969320, 15748460, 16959880, 22047844, 27559805, 31496920, 44095688, 55119610, 110239220, 220478440]

約数ペア:

[(1, 220478440), (2, 110239220), (4, 55119610), (5, 44095688), (7, 31496920), (8, 27559805), (10, 22047844), (13, 16959880), (14, 15748460), (17, 12969320), (20, 11023922), (26, 8479940), (28, 7874230), (34, 6484660), (35, 6299384), (40, 5511961), (49, 4499560), (52, 4239970), (56, 3937115), (65, 3391976), (68, 3242330), (70, 3149692), (85, 2593864), (91, 2422840), (98, 2249780), (104, 2119985), (119, 1852760), (130, 1695988), (136, 1621165), (140, 1574846), (170, 1296932), (182, 1211420), (196, 1124890), (221, 997640), (238, 926380), (245, 899912), (260, 847994), (280, 787423), (340, 648466), (364, 605710), (392, 562445), (442, 498820), (455, 484568), (476, 463190), (490, 449956), (509, 433160), (520, 423997), (595, 370552), (637, 346120), (680, 324233), (728, 302855), (833, 264680), (884, 249410), (910, 242284), (952, 231595), (980, 224978), (1018, 216580), (1105, 199528), (1190, 185276), (1274, 173060), (1547, 142520), (1666, 132340), (1768, 124705), (1820, 121142), (1960, 112489), (2036, 108290), (2210, 99764), (2380, 92638), (2545, 86632), (2548, 86530), (3094, 71260), (3185, 69224), (3332, 66170), (3563, 61880), (3640, 60571), (4072, 54145), (4165, 52936), (4420, 49882), (4760, 46319), (5090, 43316), (5096, 43265), (6188, 35630), (6370, 34612), (6617, 33320), (6664, 33085), (7126, 30940), (7735, 28504), (8330, 26468), (8653, 25480), (8840, 24941), (10180, 21658), (10829, 20360), (12376, 17815), (12740, 17306), (13234, 16660), (14252, 15470)]