64846600

素因数分解:

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

素因数の和:552

約数の個数: 144

約数和(自身を含む): 189245700

約数和(自身を除く): 124399100

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 91, 98, 100, 104, 130, 140, 175, 182, 196, 200, 245, 260, 280, 325, 350, 364, 392, 455, 490, 509, 520, 637, 650, 700, 728, 910, 980, 1018, 1225, 1274, 1300, 1400, 1820, 1960, 2036, 2275, 2450, 2545, 2548, 2600, 3185, 3563, 3640, 4072, 4550, 4900, 5090, 5096, 6370, 6617, 7126, 9100, 9800, 10180, 12725, 12740, 13234, 14252, 15925, 17815, 18200, 20360, 24941, 25450, 25480, 26468, 28504, 31850, 33085, 35630, 46319, 49882, 50900, 52936, 63700, 66170, 71260, 89075, 92638, 99764, 101800, 124705, 127400, 132340, 142520, 165425, 178150, 185276, 199528, 231595, 249410, 264680, 324233, 330850, 356300, 370552, 463190, 498820, 623525, 648466, 661700, 712600, 926380, 997640, 1157975, 1247050, 1296932, 1323400, 1621165, 1852760, 2315950, 2494100, 2593864, 3242330, 4631900, 4988200, 6484660, 8105825, 9263800, 12969320, 16211650, 32423300, 64846600]

約数ペア:

[(1, 64846600), (2, 32423300), (4, 16211650), (5, 12969320), (7, 9263800), (8, 8105825), (10, 6484660), (13, 4988200), (14, 4631900), (20, 3242330), (25, 2593864), (26, 2494100), (28, 2315950), (35, 1852760), (40, 1621165), (49, 1323400), (50, 1296932), (52, 1247050), (56, 1157975), (65, 997640), (70, 926380), (91, 712600), (98, 661700), (100, 648466), (104, 623525), (130, 498820), (140, 463190), (175, 370552), (182, 356300), (196, 330850), (200, 324233), (245, 264680), (260, 249410), (280, 231595), (325, 199528), (350, 185276), (364, 178150), (392, 165425), (455, 142520), (490, 132340), (509, 127400), (520, 124705), (637, 101800), (650, 99764), (700, 92638), (728, 89075), (910, 71260), (980, 66170), (1018, 63700), (1225, 52936), (1274, 50900), (1300, 49882), (1400, 46319), (1820, 35630), (1960, 33085), (2036, 31850), (2275, 28504), (2450, 26468), (2545, 25480), (2548, 25450), (2600, 24941), (3185, 20360), (3563, 18200), (3640, 17815), (4072, 15925), (4550, 14252), (4900, 13234), (5090, 12740), (5096, 12725), (6370, 10180), (6617, 9800), (7126, 9100)]