203925440

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:446

約数の個数: 112

約数和(自身を含む): 510991104

約数和(自身を除く): 307065664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 155, 160, 244, 248, 305, 310, 320, 337, 488, 496, 610, 620, 674, 976, 992, 1220, 1240, 1348, 1685, 1891, 1952, 1984, 2440, 2480, 2696, 3370, 3782, 3904, 4880, 4960, 5392, 6740, 7564, 9455, 9760, 9920, 10447, 10784, 13480, 15128, 18910, 19520, 20557, 20894, 21568, 26960, 30256, 37820, 41114, 41788, 52235, 53920, 60512, 75640, 82228, 83576, 102785, 104470, 107840, 121024, 151280, 164456, 167152, 205570, 208940, 302560, 328912, 334304, 411140, 417880, 605120, 637267, 657824, 668608, 822280, 835760, 1274534, 1315648, 1644560, 1671520, 2549068, 3186335, 3289120, 3343040, 5098136, 6372670, 6578240, 10196272, 12745340, 20392544, 25490680, 40785088, 50981360, 101962720, 203925440]

約数ペア:

[(1, 203925440), (2, 101962720), (4, 50981360), (5, 40785088), (8, 25490680), (10, 20392544), (16, 12745340), (20, 10196272), (31, 6578240), (32, 6372670), (40, 5098136), (61, 3343040), (62, 3289120), (64, 3186335), (80, 2549068), (122, 1671520), (124, 1644560), (155, 1315648), (160, 1274534), (244, 835760), (248, 822280), (305, 668608), (310, 657824), (320, 637267), (337, 605120), (488, 417880), (496, 411140), (610, 334304), (620, 328912), (674, 302560), (976, 208940), (992, 205570), (1220, 167152), (1240, 164456), (1348, 151280), (1685, 121024), (1891, 107840), (1952, 104470), (1984, 102785), (2440, 83576), (2480, 82228), (2696, 75640), (3370, 60512), (3782, 53920), (3904, 52235), (4880, 41788), (4960, 41114), (5392, 37820), (6740, 30256), (7564, 26960), (9455, 21568), (9760, 20894), (9920, 20557), (10447, 19520), (10784, 18910), (13480, 15128)]