501430720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:427

約数の個数: 168

約数和(自身を含む): 1406219184

約数和(自身を除く): 904788464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 113, 140, 160, 196, 224, 226, 245, 280, 283, 320, 392, 448, 452, 490, 560, 565, 566, 784, 791, 904, 980, 1120, 1130, 1132, 1415, 1568, 1582, 1808, 1960, 1981, 2240, 2260, 2264, 2830, 3136, 3164, 3616, 3920, 3955, 3962, 4520, 4528, 5537, 5660, 6328, 7232, 7840, 7910, 7924, 9040, 9056, 9905, 11074, 11320, 12656, 13867, 15680, 15820, 15848, 18080, 18112, 19810, 22148, 22640, 25312, 27685, 27734, 31640, 31696, 31979, 36160, 39620, 44296, 45280, 50624, 55370, 55468, 63280, 63392, 63958, 69335, 79240, 88592, 90560, 110740, 110936, 126560, 126784, 127916, 138670, 158480, 159895, 177184, 221480, 221872, 223853, 253120, 255832, 277340, 316960, 319790, 354368, 442960, 443744, 447706, 511664, 554680, 633920, 639580, 885920, 887488, 895412, 1023328, 1109360, 1119265, 1279160, 1566971, 1771840, 1790824, 2046656, 2218720, 2238530, 2558320, 3133942, 3581648, 4437440, 4477060, 5116640, 6267884, 7163296, 7834855, 8954120, 10233280, 12535768, 14326592, 15669710, 17908240, 25071536, 31339420, 35816480, 50143072, 62678840, 71632960, 100286144, 125357680, 250715360, 501430720]

約数ペア:

[(1, 501430720), (2, 250715360), (4, 125357680), (5, 100286144), (7, 71632960), (8, 62678840), (10, 50143072), (14, 35816480), (16, 31339420), (20, 25071536), (28, 17908240), (32, 15669710), (35, 14326592), (40, 12535768), (49, 10233280), (56, 8954120), (64, 7834855), (70, 7163296), (80, 6267884), (98, 5116640), (112, 4477060), (113, 4437440), (140, 3581648), (160, 3133942), (196, 2558320), (224, 2238530), (226, 2218720), (245, 2046656), (280, 1790824), (283, 1771840), (320, 1566971), (392, 1279160), (448, 1119265), (452, 1109360), (490, 1023328), (560, 895412), (565, 887488), (566, 885920), (784, 639580), (791, 633920), (904, 554680), (980, 511664), (1120, 447706), (1130, 443744), (1132, 442960), (1415, 354368), (1568, 319790), (1582, 316960), (1808, 277340), (1960, 255832), (1981, 253120), (2240, 223853), (2260, 221872), (2264, 221480), (2830, 177184), (3136, 159895), (3164, 158480), (3616, 138670), (3920, 127916), (3955, 126784), (3962, 126560), (4520, 110936), (4528, 110740), (5537, 90560), (5660, 88592), (6328, 79240), (7232, 69335), (7840, 63958), (7910, 63392), (7924, 63280), (9040, 55468), (9056, 55370), (9905, 50624), (11074, 45280), (11320, 44296), (12656, 39620), (13867, 36160), (15680, 31979), (15820, 31696), (15848, 31640), (18080, 27734), (18112, 27685), (19810, 25312), (22148, 22640)]