189977920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1741}}^1$

素因数の和:1800

約数の個数: 112

約数和(自身を含む): 509723136

約数和(自身を除く): 319745216

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 155, 160, 176, 220, 248, 310, 320, 341, 352, 440, 496, 620, 682, 704, 880, 992, 1240, 1364, 1705, 1741, 1760, 1984, 2480, 2728, 3410, 3482, 3520, 4960, 5456, 6820, 6964, 8705, 9920, 10912, 13640, 13928, 17410, 19151, 21824, 27280, 27856, 34820, 38302, 53971, 54560, 55712, 69640, 76604, 95755, 107942, 109120, 111424, 139280, 153208, 191510, 215884, 269855, 278560, 306416, 383020, 431768, 539710, 557120, 593681, 612832, 766040, 863536, 1079420, 1187362, 1225664, 1532080, 1727072, 2158840, 2374724, 2968405, 3064160, 3454144, 4317680, 4749448, 5936810, 6128320, 8635360, 9498896, 11873620, 17270720, 18997792, 23747240, 37995584, 47494480, 94988960, 189977920]

約数ペア:

[(1, 189977920), (2, 94988960), (4, 47494480), (5, 37995584), (8, 23747240), (10, 18997792), (11, 17270720), (16, 11873620), (20, 9498896), (22, 8635360), (31, 6128320), (32, 5936810), (40, 4749448), (44, 4317680), (55, 3454144), (62, 3064160), (64, 2968405), (80, 2374724), (88, 2158840), (110, 1727072), (124, 1532080), (155, 1225664), (160, 1187362), (176, 1079420), (220, 863536), (248, 766040), (310, 612832), (320, 593681), (341, 557120), (352, 539710), (440, 431768), (496, 383020), (620, 306416), (682, 278560), (704, 269855), (880, 215884), (992, 191510), (1240, 153208), (1364, 139280), (1705, 111424), (1741, 109120), (1760, 107942), (1984, 95755), (2480, 76604), (2728, 69640), (3410, 55712), (3482, 54560), (3520, 53971), (4960, 38302), (5456, 34820), (6820, 27856), (6964, 27280), (8705, 21824), (9920, 19151), (10912, 17410), (13640, 13928)]