28433340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 96314400

約数和(自身を除く): 67881060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 390, 419, 435, 468, 522, 580, 585, 754, 780, 838, 870, 1044, 1131, 1170, 1257, 1305, 1508, 1676, 1740, 1885, 2095, 2262, 2340, 2514, 2610, 3393, 3770, 3771, 4190, 4524, 5028, 5220, 5447, 5655, 6285, 6786, 7540, 7542, 8380, 10894, 11310, 12151, 12570, 13572, 15084, 16341, 16965, 18855, 21788, 22620, 24302, 25140, 27235, 32682, 33930, 36453, 37710, 48604, 49023, 54470, 60755, 65364, 67860, 72906, 75420, 81705, 98046, 108940, 109359, 121510, 145812, 157963, 163410, 182265, 196092, 218718, 243020, 245115, 315926, 326820, 364530, 437436, 473889, 490230, 546795, 631852, 729060, 789815, 947778, 980460, 1093590, 1421667, 1579630, 1895556, 2187180, 2369445, 2843334, 3159260, 4738890, 5686668, 7108335, 9477780, 14216670, 28433340]

約数ペア:

[(1, 28433340), (2, 14216670), (3, 9477780), (4, 7108335), (5, 5686668), (6, 4738890), (9, 3159260), (10, 2843334), (12, 2369445), (13, 2187180), (15, 1895556), (18, 1579630), (20, 1421667), (26, 1093590), (29, 980460), (30, 947778), (36, 789815), (39, 729060), (45, 631852), (52, 546795), (58, 490230), (60, 473889), (65, 437436), (78, 364530), (87, 326820), (90, 315926), (116, 245115), (117, 243020), (130, 218718), (145, 196092), (156, 182265), (174, 163410), (180, 157963), (195, 145812), (234, 121510), (260, 109359), (261, 108940), (290, 98046), (348, 81705), (377, 75420), (390, 72906), (419, 67860), (435, 65364), (468, 60755), (522, 54470), (580, 49023), (585, 48604), (754, 37710), (780, 36453), (838, 33930), (870, 32682), (1044, 27235), (1131, 25140), (1170, 24302), (1257, 22620), (1305, 21788), (1508, 18855), (1676, 16965), (1740, 16341), (1885, 15084), (2095, 13572), (2262, 12570), (2340, 12151), (2514, 11310), (2610, 10894), (3393, 8380), (3770, 7542), (3771, 7540), (4190, 6786), (4524, 6285), (5028, 5655), (5220, 5447)]