619429640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 1525305600

約数和(自身を除く): 905875960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 103, 152, 164, 190, 193, 205, 206, 328, 380, 386, 410, 412, 515, 760, 772, 779, 820, 824, 965, 1030, 1544, 1558, 1640, 1930, 1957, 2060, 3116, 3667, 3860, 3895, 3914, 4120, 4223, 6232, 7334, 7720, 7790, 7828, 7913, 8446, 9785, 14668, 15580, 15656, 15826, 16892, 18335, 19570, 19879, 21115, 29336, 31160, 31652, 33784, 36670, 39140, 39565, 39758, 42230, 63304, 73340, 78280, 79130, 79516, 80237, 84460, 99395, 146680, 150347, 158260, 159032, 160474, 168920, 198790, 300694, 316520, 320948, 377701, 397580, 401185, 601388, 641896, 751735, 755402, 795160, 802370, 815039, 1202776, 1503470, 1510804, 1604740, 1630078, 1888505, 3006940, 3021608, 3209480, 3260156, 3777010, 4075195, 6013880, 6520312, 7554020, 8150390, 15108040, 15485741, 16300780, 30971482, 32601560, 61942964, 77428705, 123885928, 154857410, 309714820, 619429640]

約数ペア:

[(1, 619429640), (2, 309714820), (4, 154857410), (5, 123885928), (8, 77428705), (10, 61942964), (19, 32601560), (20, 30971482), (38, 16300780), (40, 15485741), (41, 15108040), (76, 8150390), (82, 7554020), (95, 6520312), (103, 6013880), (152, 4075195), (164, 3777010), (190, 3260156), (193, 3209480), (205, 3021608), (206, 3006940), (328, 1888505), (380, 1630078), (386, 1604740), (410, 1510804), (412, 1503470), (515, 1202776), (760, 815039), (772, 802370), (779, 795160), (820, 755402), (824, 751735), (965, 641896), (1030, 601388), (1544, 401185), (1558, 397580), (1640, 377701), (1930, 320948), (1957, 316520), (2060, 300694), (3116, 198790), (3667, 168920), (3860, 160474), (3895, 159032), (3914, 158260), (4120, 150347), (4223, 146680), (6232, 99395), (7334, 84460), (7720, 80237), (7790, 79516), (7828, 79130), (7913, 78280), (8446, 73340), (9785, 63304), (14668, 42230), (15580, 39758), (15656, 39565), (15826, 39140), (16892, 36670), (18335, 33784), (19570, 31652), (19879, 31160), (21115, 29336)]