209471580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2663}}^1$

素因数の和:2720

約数の個数: 144

約数和(自身を含む): 698181120

約数和(自身を除く): 488709540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1380, 1710, 1748, 2070, 2185, 2622, 2663, 3420, 3933, 4140, 4370, 5244, 5326, 6555, 7866, 7989, 8740, 10652, 13110, 13315, 15732, 15978, 19665, 23967, 26220, 26630, 31956, 39330, 39945, 47934, 50597, 53260, 61249, 78660, 79890, 95868, 101194, 119835, 122498, 151791, 159780, 183747, 202388, 239670, 244996, 252985, 303582, 306245, 367494, 455373, 479340, 505970, 551241, 607164, 612490, 734988, 758955, 910746, 918735, 1011940, 1102482, 1163731, 1224980, 1517910, 1821492, 1837470, 2204964, 2276865, 2327462, 2756205, 3035820, 3491193, 3674940, 4553730, 4654924, 5512410, 5818655, 6982386, 9107460, 10473579, 11024820, 11637310, 13964772, 17455965, 20947158, 23274620, 34911930, 41894316, 52367895, 69823860, 104735790, 209471580]

約数ペア:

[(1, 209471580), (2, 104735790), (3, 69823860), (4, 52367895), (5, 41894316), (6, 34911930), (9, 23274620), (10, 20947158), (12, 17455965), (15, 13964772), (18, 11637310), (19, 11024820), (20, 10473579), (23, 9107460), (30, 6982386), (36, 5818655), (38, 5512410), (45, 4654924), (46, 4553730), (57, 3674940), (60, 3491193), (69, 3035820), (76, 2756205), (90, 2327462), (92, 2276865), (95, 2204964), (114, 1837470), (115, 1821492), (138, 1517910), (171, 1224980), (180, 1163731), (190, 1102482), (207, 1011940), (228, 918735), (230, 910746), (276, 758955), (285, 734988), (342, 612490), (345, 607164), (380, 551241), (414, 505970), (437, 479340), (460, 455373), (570, 367494), (684, 306245), (690, 303582), (828, 252985), (855, 244996), (874, 239670), (1035, 202388), (1140, 183747), (1311, 159780), (1380, 151791), (1710, 122498), (1748, 119835), (2070, 101194), (2185, 95868), (2622, 79890), (2663, 78660), (3420, 61249), (3933, 53260), (4140, 50597), (4370, 47934), (5244, 39945), (5326, 39330), (6555, 31956), (7866, 26630), (7989, 26220), (8740, 23967), (10652, 19665), (13110, 15978), (13315, 15732)]