197054820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1010

約数の個数: 144

約数和(自身を含む): 642515328

約数和(自身を除く): 445460508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 71, 85, 90, 102, 142, 153, 170, 180, 204, 213, 255, 284, 306, 340, 355, 426, 510, 612, 639, 710, 765, 852, 907, 1020, 1065, 1207, 1278, 1420, 1530, 1814, 2130, 2414, 2556, 2721, 3060, 3195, 3621, 3628, 4260, 4535, 4828, 5442, 6035, 6390, 7242, 8163, 9070, 10863, 10884, 12070, 12780, 13605, 14484, 15419, 16326, 18105, 18140, 21726, 24140, 27210, 30838, 32652, 36210, 40815, 43452, 46257, 54315, 54420, 61676, 64397, 72420, 77095, 81630, 92514, 108630, 128794, 138771, 154190, 163260, 185028, 193191, 217260, 231285, 257588, 277542, 308380, 321985, 386382, 462570, 555084, 579573, 643970, 693855, 772764, 925140, 965955, 1094749, 1159146, 1287940, 1387710, 1931910, 2189498, 2318292, 2775420, 2897865, 3284247, 3863820, 4378996, 5473745, 5795730, 6568494, 9852741, 10947490, 11591460, 13136988, 16421235, 19705482, 21894980, 32842470, 39410964, 49263705, 65684940, 98527410, 197054820]

約数ペア:

[(1, 197054820), (2, 98527410), (3, 65684940), (4, 49263705), (5, 39410964), (6, 32842470), (9, 21894980), (10, 19705482), (12, 16421235), (15, 13136988), (17, 11591460), (18, 10947490), (20, 9852741), (30, 6568494), (34, 5795730), (36, 5473745), (45, 4378996), (51, 3863820), (60, 3284247), (68, 2897865), (71, 2775420), (85, 2318292), (90, 2189498), (102, 1931910), (142, 1387710), (153, 1287940), (170, 1159146), (180, 1094749), (204, 965955), (213, 925140), (255, 772764), (284, 693855), (306, 643970), (340, 579573), (355, 555084), (426, 462570), (510, 386382), (612, 321985), (639, 308380), (710, 277542), (765, 257588), (852, 231285), (907, 217260), (1020, 193191), (1065, 185028), (1207, 163260), (1278, 154190), (1420, 138771), (1530, 128794), (1814, 108630), (2130, 92514), (2414, 81630), (2556, 77095), (2721, 72420), (3060, 64397), (3195, 61676), (3621, 54420), (3628, 54315), (4260, 46257), (4535, 43452), (4828, 40815), (5442, 36210), (6035, 32652), (6390, 30838), (7242, 27210), (8163, 24140), (9070, 21726), (10863, 18140), (10884, 18105), (12070, 16326), (12780, 15419), (13605, 14484)]