766597940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{1193}}^1$

素因数の和:1329

約数の個数: 72

約数和(自身を含む): 1719574920

約数和(自身を除く): 952976980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 361, 380, 445, 722, 890, 1193, 1444, 1691, 1780, 1805, 2386, 3382, 3610, 4772, 5965, 6764, 7220, 8455, 11930, 16910, 22667, 23860, 32129, 33820, 45334, 64258, 90668, 106177, 113335, 128516, 160645, 212354, 226670, 321290, 424708, 430673, 453340, 530885, 642580, 861346, 1061770, 1722692, 2017363, 2123540, 2153365, 4034726, 4306730, 8069452, 8613460, 10086815, 20173630, 38329897, 40347260, 76659794, 153319588, 191649485, 383298970, 766597940]

約数ペア:

[(1, 766597940), (2, 383298970), (4, 191649485), (5, 153319588), (10, 76659794), (19, 40347260), (20, 38329897), (38, 20173630), (76, 10086815), (89, 8613460), (95, 8069452), (178, 4306730), (190, 4034726), (356, 2153365), (361, 2123540), (380, 2017363), (445, 1722692), (722, 1061770), (890, 861346), (1193, 642580), (1444, 530885), (1691, 453340), (1780, 430673), (1805, 424708), (2386, 321290), (3382, 226670), (3610, 212354), (4772, 160645), (5965, 128516), (6764, 113335), (7220, 106177), (8455, 90668), (11930, 64258), (16910, 45334), (22667, 33820), (23860, 32129)]