858320830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 1632960000

約数和(自身を除く): 774639170

約数列:

[1, 2, 5, 10, 29, 58, 107, 139, 145, 199, 214, 278, 290, 398, 535, 695, 995, 1070, 1390, 1990, 3103, 4031, 5771, 6206, 8062, 11542, 14873, 15515, 20155, 21293, 27661, 28855, 29746, 31030, 40310, 42586, 55322, 57710, 74365, 106465, 138305, 148730, 212930, 276610, 431317, 617497, 802169, 862634, 1234994, 1604338, 2156585, 2959727, 3087485, 4010845, 4313170, 5919454, 6174970, 8021690, 14798635, 29597270, 85832083, 171664166, 429160415, 858320830]

約数ペア:

[(1, 858320830), (2, 429160415), (5, 171664166), (10, 85832083), (29, 29597270), (58, 14798635), (107, 8021690), (139, 6174970), (145, 5919454), (199, 4313170), (214, 4010845), (278, 3087485), (290, 2959727), (398, 2156585), (535, 1604338), (695, 1234994), (995, 862634), (1070, 802169), (1390, 617497), (1990, 431317), (3103, 276610), (4031, 212930), (5771, 148730), (6206, 138305), (8062, 106465), (11542, 74365), (14873, 57710), (15515, 55322), (20155, 42586), (21293, 40310), (27661, 31030), (28855, 29746)]