249236490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 676512000

約数和(自身を除く): 427275510

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 51, 57, 85, 89, 95, 102, 114, 170, 178, 190, 255, 267, 285, 289, 323, 445, 510, 534, 570, 578, 646, 867, 890, 969, 1335, 1445, 1513, 1615, 1691, 1734, 1938, 2670, 2890, 3026, 3230, 3382, 4335, 4539, 4845, 4913, 5073, 5491, 7565, 8455, 8670, 9078, 9690, 9826, 10146, 10982, 14739, 15130, 16473, 16910, 22695, 24565, 25365, 25721, 27455, 28747, 29478, 32946, 45390, 49130, 50730, 51442, 54910, 57494, 73695, 77163, 82365, 86241, 93347, 128605, 143735, 147390, 154326, 164730, 172482, 186694, 257210, 280041, 287470, 385815, 431205, 437257, 466735, 488699, 560082, 771630, 862410, 874514, 933470, 977398, 1311771, 1400205, 1466097, 2186285, 2443495, 2623542, 2800410, 2932194, 4372570, 4886990, 6558855, 7330485, 8307883, 13117710, 14660970, 16615766, 24923649, 41539415, 49847298, 83078830, 124618245, 249236490]

約数ペア:

[(1, 249236490), (2, 124618245), (3, 83078830), (5, 49847298), (6, 41539415), (10, 24923649), (15, 16615766), (17, 14660970), (19, 13117710), (30, 8307883), (34, 7330485), (38, 6558855), (51, 4886990), (57, 4372570), (85, 2932194), (89, 2800410), (95, 2623542), (102, 2443495), (114, 2186285), (170, 1466097), (178, 1400205), (190, 1311771), (255, 977398), (267, 933470), (285, 874514), (289, 862410), (323, 771630), (445, 560082), (510, 488699), (534, 466735), (570, 437257), (578, 431205), (646, 385815), (867, 287470), (890, 280041), (969, 257210), (1335, 186694), (1445, 172482), (1513, 164730), (1615, 154326), (1691, 147390), (1734, 143735), (1938, 128605), (2670, 93347), (2890, 86241), (3026, 82365), (3230, 77163), (3382, 73695), (4335, 57494), (4539, 54910), (4845, 51442), (4913, 50730), (5073, 49130), (5491, 45390), (7565, 32946), (8455, 29478), (8670, 28747), (9078, 27455), (9690, 25721), (9826, 25365), (10146, 24565), (10982, 22695), (14739, 16910), (15130, 16473)]