199982790

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5569}}^1$

素因数の和:5611

約数の個数: 128

約数和(自身を含む): 641664000

約数和(自身を除く): 441681210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 570, 630, 665, 798, 855, 945, 1026, 1197, 1330, 1710, 1890, 1995, 2394, 2565, 3591, 3990, 5130, 5569, 5985, 7182, 11138, 11970, 16707, 17955, 27845, 33414, 35910, 38983, 50121, 55690, 77966, 83535, 100242, 105811, 116949, 150363, 167070, 194915, 211622, 233898, 250605, 300726, 317433, 350847, 389830, 501210, 529055, 584745, 634866, 701694, 740677, 751815, 952299, 1052541, 1058110, 1169490, 1481354, 1503630, 1587165, 1754235, 1904598, 2105082, 2222031, 2856897, 3174330, 3508470, 3703385, 4444062, 4761495, 5262705, 5713794, 6666093, 7406770, 9522990, 10525410, 11110155, 13332186, 14284485, 19998279, 22220310, 28568970, 33330465, 39996558, 66660930, 99991395, 199982790]

約数ペア:

[(1, 199982790), (2, 99991395), (3, 66660930), (5, 39996558), (6, 33330465), (7, 28568970), (9, 22220310), (10, 19998279), (14, 14284485), (15, 13332186), (18, 11110155), (19, 10525410), (21, 9522990), (27, 7406770), (30, 6666093), (35, 5713794), (38, 5262705), (42, 4761495), (45, 4444062), (54, 3703385), (57, 3508470), (63, 3174330), (70, 2856897), (90, 2222031), (95, 2105082), (105, 1904598), (114, 1754235), (126, 1587165), (133, 1503630), (135, 1481354), (171, 1169490), (189, 1058110), (190, 1052541), (210, 952299), (266, 751815), (270, 740677), (285, 701694), (315, 634866), (342, 584745), (378, 529055), (399, 501210), (513, 389830), (570, 350847), (630, 317433), (665, 300726), (798, 250605), (855, 233898), (945, 211622), (1026, 194915), (1197, 167070), (1330, 150363), (1710, 116949), (1890, 105811), (1995, 100242), (2394, 83535), (2565, 77966), (3591, 55690), (3990, 50121), (5130, 38983), (5569, 35910), (5985, 33414), (7182, 27845), (11138, 17955), (11970, 16707)]