619071860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2111}}^1$

素因数の和:2205

約数の個数: 96

約数和(自身を含む): 1498742784

約数和(自身を除く): 879670924

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 43, 44, 55, 62, 86, 110, 124, 155, 172, 215, 220, 310, 341, 430, 473, 620, 682, 860, 946, 1333, 1364, 1705, 1892, 2111, 2365, 2666, 3410, 4222, 4730, 5332, 6665, 6820, 8444, 9460, 10555, 13330, 14663, 21110, 23221, 26660, 29326, 42220, 46442, 58652, 65441, 73315, 90773, 92884, 116105, 130882, 146630, 181546, 232210, 261764, 293260, 327205, 363092, 453865, 464420, 654410, 719851, 907730, 998503, 1308820, 1439702, 1815460, 1997006, 2813963, 2879404, 3599255, 3994012, 4992515, 5627926, 7198510, 9985030, 11255852, 14069815, 14397020, 19970060, 28139630, 30953593, 56279260, 61907186, 123814372, 154767965, 309535930, 619071860]

約数ペア:

[(1, 619071860), (2, 309535930), (4, 154767965), (5, 123814372), (10, 61907186), (11, 56279260), (20, 30953593), (22, 28139630), (31, 19970060), (43, 14397020), (44, 14069815), (55, 11255852), (62, 9985030), (86, 7198510), (110, 5627926), (124, 4992515), (155, 3994012), (172, 3599255), (215, 2879404), (220, 2813963), (310, 1997006), (341, 1815460), (430, 1439702), (473, 1308820), (620, 998503), (682, 907730), (860, 719851), (946, 654410), (1333, 464420), (1364, 453865), (1705, 363092), (1892, 327205), (2111, 293260), (2365, 261764), (2666, 232210), (3410, 181546), (4222, 146630), (4730, 130882), (5332, 116105), (6665, 92884), (6820, 90773), (8444, 73315), (9460, 65441), (10555, 58652), (13330, 46442), (14663, 42220), (21110, 29326), (23221, 26660)]