213090400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:393

約数の個数: 144

約数和(自身を含む): 559276704

約数和(自身を除く): 346186304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 37, 40, 46, 50, 74, 80, 92, 100, 115, 148, 160, 184, 185, 200, 230, 296, 313, 368, 370, 400, 460, 575, 592, 626, 736, 740, 800, 851, 920, 925, 1150, 1184, 1252, 1480, 1565, 1702, 1840, 1850, 2300, 2504, 2960, 3130, 3404, 3680, 3700, 4255, 4600, 5008, 5920, 6260, 6808, 7199, 7400, 7825, 8510, 9200, 10016, 11581, 12520, 13616, 14398, 14800, 15650, 17020, 18400, 21275, 23162, 25040, 27232, 28796, 29600, 31300, 34040, 35995, 42550, 46324, 50080, 57592, 57905, 62600, 68080, 71990, 85100, 92648, 115184, 115810, 125200, 136160, 143980, 170200, 179975, 185296, 230368, 231620, 250400, 266363, 287960, 289525, 340400, 359950, 370592, 463240, 532726, 575920, 579050, 680800, 719900, 926480, 1065452, 1151840, 1158100, 1331815, 1439800, 1852960, 2130904, 2316200, 2663630, 2879600, 4261808, 4632400, 5327260, 5759200, 6659075, 8523616, 9264800, 10654520, 13318150, 21309040, 26636300, 42618080, 53272600, 106545200, 213090400]

約数ペア:

[(1, 213090400), (2, 106545200), (4, 53272600), (5, 42618080), (8, 26636300), (10, 21309040), (16, 13318150), (20, 10654520), (23, 9264800), (25, 8523616), (32, 6659075), (37, 5759200), (40, 5327260), (46, 4632400), (50, 4261808), (74, 2879600), (80, 2663630), (92, 2316200), (100, 2130904), (115, 1852960), (148, 1439800), (160, 1331815), (184, 1158100), (185, 1151840), (200, 1065452), (230, 926480), (296, 719900), (313, 680800), (368, 579050), (370, 575920), (400, 532726), (460, 463240), (575, 370592), (592, 359950), (626, 340400), (736, 289525), (740, 287960), (800, 266363), (851, 250400), (920, 231620), (925, 230368), (1150, 185296), (1184, 179975), (1252, 170200), (1480, 143980), (1565, 136160), (1702, 125200), (1840, 115810), (1850, 115184), (2300, 92648), (2504, 85100), (2960, 71990), (3130, 68080), (3404, 62600), (3680, 57905), (3700, 57592), (4255, 50080), (4600, 46324), (5008, 42550), (5920, 35995), (6260, 34040), (6808, 31300), (7199, 29600), (7400, 28796), (7825, 27232), (8510, 25040), (9200, 23162), (10016, 21275), (11581, 18400), (12520, 17020), (13616, 15650), (14398, 14800)]