49978890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 148780800

約数和(自身を除く): 98801910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 29, 30, 39, 45, 54, 58, 65, 78, 87, 90, 117, 130, 135, 145, 174, 195, 234, 261, 270, 290, 351, 377, 390, 435, 491, 522, 585, 702, 754, 783, 870, 982, 1131, 1170, 1305, 1473, 1566, 1755, 1885, 2262, 2455, 2610, 2946, 3393, 3510, 3770, 3915, 4419, 4910, 5655, 6383, 6786, 7365, 7830, 8838, 10179, 11310, 12766, 13257, 14239, 14730, 16965, 19149, 20358, 22095, 26514, 28478, 31915, 33930, 38298, 42717, 44190, 50895, 57447, 63830, 66285, 71195, 85434, 95745, 101790, 114894, 128151, 132570, 142390, 172341, 185107, 191490, 213585, 256302, 287235, 344682, 370214, 384453, 427170, 555321, 574470, 640755, 768906, 861705, 925535, 1110642, 1281510, 1665963, 1723410, 1851070, 1922265, 2776605, 3331926, 3844530, 4997889, 5553210, 8329815, 9995778, 16659630, 24989445, 49978890]

約数ペア:

[(1, 49978890), (2, 24989445), (3, 16659630), (5, 9995778), (6, 8329815), (9, 5553210), (10, 4997889), (13, 3844530), (15, 3331926), (18, 2776605), (26, 1922265), (27, 1851070), (29, 1723410), (30, 1665963), (39, 1281510), (45, 1110642), (54, 925535), (58, 861705), (65, 768906), (78, 640755), (87, 574470), (90, 555321), (117, 427170), (130, 384453), (135, 370214), (145, 344682), (174, 287235), (195, 256302), (234, 213585), (261, 191490), (270, 185107), (290, 172341), (351, 142390), (377, 132570), (390, 128151), (435, 114894), (491, 101790), (522, 95745), (585, 85434), (702, 71195), (754, 66285), (783, 63830), (870, 57447), (982, 50895), (1131, 44190), (1170, 42717), (1305, 38298), (1473, 33930), (1566, 31915), (1755, 28478), (1885, 26514), (2262, 22095), (2455, 20358), (2610, 19149), (2946, 16965), (3393, 14730), (3510, 14239), (3770, 13257), (3915, 12766), (4419, 11310), (4910, 10179), (5655, 8838), (6383, 7830), (6786, 7365)]