217796320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1399}}^1$

素因数の和:1560

約数の個数: 96

約数和(自身を含む): 592704000

約数和(自身を除く): 374907680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 139, 140, 160, 224, 278, 280, 556, 560, 695, 973, 1112, 1120, 1390, 1399, 1946, 2224, 2780, 2798, 3892, 4448, 4865, 5560, 5596, 6995, 7784, 9730, 9793, 11120, 11192, 13990, 15568, 19460, 19586, 22240, 22384, 27980, 31136, 38920, 39172, 44768, 48965, 55960, 77840, 78344, 97930, 111920, 155680, 156688, 194461, 195860, 223840, 313376, 388922, 391720, 777844, 783440, 972305, 1361227, 1555688, 1566880, 1944610, 2722454, 3111376, 3889220, 5444908, 6222752, 6806135, 7778440, 10889816, 13612270, 15556880, 21779632, 27224540, 31113760, 43559264, 54449080, 108898160, 217796320]

約数ペア:

[(1, 217796320), (2, 108898160), (4, 54449080), (5, 43559264), (7, 31113760), (8, 27224540), (10, 21779632), (14, 15556880), (16, 13612270), (20, 10889816), (28, 7778440), (32, 6806135), (35, 6222752), (40, 5444908), (56, 3889220), (70, 3111376), (80, 2722454), (112, 1944610), (139, 1566880), (140, 1555688), (160, 1361227), (224, 972305), (278, 783440), (280, 777844), (556, 391720), (560, 388922), (695, 313376), (973, 223840), (1112, 195860), (1120, 194461), (1390, 156688), (1399, 155680), (1946, 111920), (2224, 97930), (2780, 78344), (2798, 77840), (3892, 55960), (4448, 48965), (4865, 44768), (5560, 39172), (5596, 38920), (6995, 31136), (7784, 27980), (9730, 22384), (9793, 22240), (11120, 19586), (11192, 19460), (13990, 15568)]