2007889420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 4509711360

約数和(自身を除く): 2501821940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 92, 115, 122, 163, 230, 244, 305, 326, 439, 460, 610, 652, 815, 878, 1220, 1403, 1630, 1756, 2195, 2806, 3260, 3749, 4390, 5612, 7015, 7498, 8780, 9943, 10097, 14030, 14996, 18745, 19886, 20194, 26779, 28060, 37490, 39772, 40388, 49715, 50485, 53558, 71557, 74980, 99430, 100970, 107116, 133895, 143114, 198860, 201940, 228689, 267790, 286228, 357785, 457378, 535580, 615917, 715570, 914756, 1143445, 1231834, 1431140, 1645811, 2286890, 2463668, 3079585, 3291622, 4364977, 4573780, 6159170, 6583244, 8229055, 8729954, 12318340, 16458110, 17459908, 21824885, 32916220, 43649770, 87299540, 100394471, 200788942, 401577884, 501972355, 1003944710, 2007889420]

約数ペア:

[(1, 2007889420), (2, 1003944710), (4, 501972355), (5, 401577884), (10, 200788942), (20, 100394471), (23, 87299540), (46, 43649770), (61, 32916220), (92, 21824885), (115, 17459908), (122, 16458110), (163, 12318340), (230, 8729954), (244, 8229055), (305, 6583244), (326, 6159170), (439, 4573780), (460, 4364977), (610, 3291622), (652, 3079585), (815, 2463668), (878, 2286890), (1220, 1645811), (1403, 1431140), (1630, 1231834), (1756, 1143445), (2195, 914756), (2806, 715570), (3260, 615917), (3749, 535580), (4390, 457378), (5612, 357785), (7015, 286228), (7498, 267790), (8780, 228689), (9943, 201940), (10097, 198860), (14030, 143114), (14996, 133895), (18745, 107116), (19886, 100970), (20194, 99430), (26779, 74980), (28060, 71557), (37490, 53558), (39772, 50485), (40388, 49715)]