247996840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9733}}^1$

素因数の和:9771

約数の個数: 96

約数和(自身を含む): 699095880

約数和(自身を除く): 451099040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1274, 1820, 1960, 2548, 3185, 3640, 5096, 6370, 9733, 12740, 19466, 25480, 38932, 48665, 68131, 77864, 97330, 126529, 136262, 194660, 253058, 272524, 340655, 389320, 476917, 506116, 545048, 632645, 681310, 885703, 953834, 1012232, 1265290, 1362620, 1771406, 1907668, 2384585, 2530580, 2725240, 3542812, 3815336, 4428515, 4769170, 5061160, 6199921, 7085624, 8857030, 9538340, 12399842, 17714060, 19076680, 24799684, 30999605, 35428120, 49599368, 61999210, 123998420, 247996840]

約数ペア:

[(1, 247996840), (2, 123998420), (4, 61999210), (5, 49599368), (7, 35428120), (8, 30999605), (10, 24799684), (13, 19076680), (14, 17714060), (20, 12399842), (26, 9538340), (28, 8857030), (35, 7085624), (40, 6199921), (49, 5061160), (52, 4769170), (56, 4428515), (65, 3815336), (70, 3542812), (91, 2725240), (98, 2530580), (104, 2384585), (130, 1907668), (140, 1771406), (182, 1362620), (196, 1265290), (245, 1012232), (260, 953834), (280, 885703), (364, 681310), (392, 632645), (455, 545048), (490, 506116), (520, 476917), (637, 389320), (728, 340655), (910, 272524), (980, 253058), (1274, 194660), (1820, 136262), (1960, 126529), (2548, 97330), (3185, 77864), (3640, 68131), (5096, 48665), (6370, 38932), (9733, 25480), (12740, 19466)]