289236220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 773817408

約数和(自身を除く): 484581188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 73, 91, 98, 130, 140, 146, 182, 196, 245, 260, 292, 311, 364, 365, 455, 490, 511, 622, 637, 730, 910, 949, 980, 1022, 1244, 1274, 1460, 1555, 1820, 1898, 2044, 2177, 2548, 2555, 3110, 3185, 3577, 3796, 4043, 4354, 4745, 5110, 6220, 6370, 6643, 7154, 8086, 8708, 9490, 10220, 10885, 12740, 13286, 14308, 15239, 16172, 17885, 18980, 20215, 21770, 22703, 26572, 28301, 30478, 33215, 35770, 40430, 43540, 45406, 46501, 56602, 60956, 66430, 71540, 76195, 80860, 90812, 93002, 113204, 113515, 132860, 141505, 152390, 158921, 186004, 198107, 227030, 232505, 283010, 295139, 304780, 317842, 396214, 454060, 465010, 566020, 590278, 635684, 792428, 794605, 930020, 990535, 1112447, 1180556, 1475695, 1589210, 1981070, 2065973, 2224894, 2951390, 3178420, 3962140, 4131946, 4449788, 5562235, 5902780, 8263892, 10329865, 11124470, 14461811, 20659730, 22248940, 28923622, 41319460, 57847244, 72309055, 144618110, 289236220]

約数ペア:

[(1, 289236220), (2, 144618110), (4, 72309055), (5, 57847244), (7, 41319460), (10, 28923622), (13, 22248940), (14, 20659730), (20, 14461811), (26, 11124470), (28, 10329865), (35, 8263892), (49, 5902780), (52, 5562235), (65, 4449788), (70, 4131946), (73, 3962140), (91, 3178420), (98, 2951390), (130, 2224894), (140, 2065973), (146, 1981070), (182, 1589210), (196, 1475695), (245, 1180556), (260, 1112447), (292, 990535), (311, 930020), (364, 794605), (365, 792428), (455, 635684), (490, 590278), (511, 566020), (622, 465010), (637, 454060), (730, 396214), (910, 317842), (949, 304780), (980, 295139), (1022, 283010), (1244, 232505), (1274, 227030), (1460, 198107), (1555, 186004), (1820, 158921), (1898, 152390), (2044, 141505), (2177, 132860), (2548, 113515), (2555, 113204), (3110, 93002), (3185, 90812), (3577, 80860), (3796, 76195), (4043, 71540), (4354, 66430), (4745, 60956), (5110, 56602), (6220, 46501), (6370, 45406), (6643, 43540), (7154, 40430), (8086, 35770), (8708, 33215), (9490, 30478), (10220, 28301), (10885, 26572), (12740, 22703), (13286, 21770), (14308, 20215), (15239, 18980), (16172, 17885)]