31189500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 102211200

約数和(自身を除く): 71021700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 29, 30, 36, 45, 50, 58, 60, 75, 87, 90, 100, 116, 125, 145, 150, 174, 180, 225, 239, 250, 261, 290, 300, 348, 375, 435, 450, 478, 500, 522, 580, 717, 725, 750, 870, 900, 956, 1044, 1125, 1195, 1305, 1434, 1450, 1500, 1740, 2151, 2175, 2250, 2390, 2610, 2868, 2900, 3585, 3625, 4302, 4350, 4500, 4780, 5220, 5975, 6525, 6931, 7170, 7250, 8604, 8700, 10755, 10875, 11950, 13050, 13862, 14340, 14500, 17925, 20793, 21510, 21750, 23900, 26100, 27724, 29875, 32625, 34655, 35850, 41586, 43020, 43500, 53775, 59750, 62379, 65250, 69310, 71700, 83172, 89625, 103965, 107550, 119500, 124758, 130500, 138620, 173275, 179250, 207930, 215100, 249516, 268875, 311895, 346550, 358500, 415860, 519825, 537750, 623790, 693100, 866375, 1039650, 1075500, 1247580, 1559475, 1732750, 2079300, 2599125, 3118950, 3465500, 5198250, 6237900, 7797375, 10396500, 15594750, 31189500]

約数ペア:

[(1, 31189500), (2, 15594750), (3, 10396500), (4, 7797375), (5, 6237900), (6, 5198250), (9, 3465500), (10, 3118950), (12, 2599125), (15, 2079300), (18, 1732750), (20, 1559475), (25, 1247580), (29, 1075500), (30, 1039650), (36, 866375), (45, 693100), (50, 623790), (58, 537750), (60, 519825), (75, 415860), (87, 358500), (90, 346550), (100, 311895), (116, 268875), (125, 249516), (145, 215100), (150, 207930), (174, 179250), (180, 173275), (225, 138620), (239, 130500), (250, 124758), (261, 119500), (290, 107550), (300, 103965), (348, 89625), (375, 83172), (435, 71700), (450, 69310), (478, 65250), (500, 62379), (522, 59750), (580, 53775), (717, 43500), (725, 43020), (750, 41586), (870, 35850), (900, 34655), (956, 32625), (1044, 29875), (1125, 27724), (1195, 26100), (1305, 23900), (1434, 21750), (1450, 21510), (1500, 20793), (1740, 17925), (2151, 14500), (2175, 14340), (2250, 13862), (2390, 13050), (2610, 11950), (2868, 10875), (2900, 10755), (3585, 8700), (3625, 8604), (4302, 7250), (4350, 7170), (4500, 6931), (4780, 6525), (5220, 5975)]