28402200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:562

約数の個数: 144

約数和(自身を含む): 98654400

約数和(自身を除く): 70252200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 31, 36, 40, 45, 50, 60, 62, 72, 75, 90, 93, 100, 120, 124, 150, 155, 180, 186, 200, 225, 248, 279, 300, 310, 360, 372, 450, 465, 509, 558, 600, 620, 744, 775, 900, 930, 1018, 1116, 1240, 1395, 1527, 1550, 1800, 1860, 2036, 2232, 2325, 2545, 2790, 3054, 3100, 3720, 4072, 4581, 4650, 5090, 5580, 6108, 6200, 6975, 7635, 9162, 9300, 10180, 11160, 12216, 12725, 13950, 15270, 15779, 18324, 18600, 20360, 22905, 25450, 27900, 30540, 31558, 36648, 38175, 45810, 47337, 50900, 55800, 61080, 63116, 76350, 78895, 91620, 94674, 101800, 114525, 126232, 142011, 152700, 157790, 183240, 189348, 229050, 236685, 284022, 305400, 315580, 378696, 394475, 458100, 473370, 568044, 631160, 710055, 788950, 916200, 946740, 1136088, 1183425, 1420110, 1577900, 1893480, 2366850, 2840220, 3155800, 3550275, 4733700, 5680440, 7100550, 9467400, 14201100, 28402200]

約数ペア:

[(1, 28402200), (2, 14201100), (3, 9467400), (4, 7100550), (5, 5680440), (6, 4733700), (8, 3550275), (9, 3155800), (10, 2840220), (12, 2366850), (15, 1893480), (18, 1577900), (20, 1420110), (24, 1183425), (25, 1136088), (30, 946740), (31, 916200), (36, 788950), (40, 710055), (45, 631160), (50, 568044), (60, 473370), (62, 458100), (72, 394475), (75, 378696), (90, 315580), (93, 305400), (100, 284022), (120, 236685), (124, 229050), (150, 189348), (155, 183240), (180, 157790), (186, 152700), (200, 142011), (225, 126232), (248, 114525), (279, 101800), (300, 94674), (310, 91620), (360, 78895), (372, 76350), (450, 63116), (465, 61080), (509, 55800), (558, 50900), (600, 47337), (620, 45810), (744, 38175), (775, 36648), (900, 31558), (930, 30540), (1018, 27900), (1116, 25450), (1240, 22905), (1395, 20360), (1527, 18600), (1550, 18324), (1800, 15779), (1860, 15270), (2036, 13950), (2232, 12725), (2325, 12216), (2545, 11160), (2790, 10180), (3054, 9300), (3100, 9162), (3720, 7635), (4072, 6975), (4581, 6200), (4650, 6108), (5090, 5580)]