220135720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:587

約数の個数: 128

約数和(自身を含む): 606528000

約数和(自身を除く): 386392280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 103, 119, 136, 140, 170, 206, 238, 280, 340, 412, 449, 476, 515, 595, 680, 721, 824, 898, 952, 1030, 1190, 1442, 1751, 1796, 2060, 2245, 2380, 2884, 3143, 3502, 3592, 3605, 4120, 4490, 4760, 5768, 6286, 7004, 7210, 7633, 8755, 8980, 12257, 12572, 14008, 14420, 15266, 15715, 17510, 17960, 24514, 25144, 28840, 30532, 31430, 35020, 38165, 46247, 49028, 53431, 61064, 61285, 62860, 70040, 76330, 92494, 98056, 106862, 122570, 125720, 152660, 184988, 213724, 231235, 245140, 267155, 305320, 323729, 369976, 427448, 462470, 490280, 534310, 647458, 786199, 924940, 1068620, 1294916, 1572398, 1618645, 1849880, 2137240, 2589832, 3144796, 3237290, 3930995, 5503393, 6289592, 6474580, 7861990, 11006786, 12949160, 15723980, 22013572, 27516965, 31447960, 44027144, 55033930, 110067860, 220135720]

約数ペア:

[(1, 220135720), (2, 110067860), (4, 55033930), (5, 44027144), (7, 31447960), (8, 27516965), (10, 22013572), (14, 15723980), (17, 12949160), (20, 11006786), (28, 7861990), (34, 6474580), (35, 6289592), (40, 5503393), (56, 3930995), (68, 3237290), (70, 3144796), (85, 2589832), (103, 2137240), (119, 1849880), (136, 1618645), (140, 1572398), (170, 1294916), (206, 1068620), (238, 924940), (280, 786199), (340, 647458), (412, 534310), (449, 490280), (476, 462470), (515, 427448), (595, 369976), (680, 323729), (721, 305320), (824, 267155), (898, 245140), (952, 231235), (1030, 213724), (1190, 184988), (1442, 152660), (1751, 125720), (1796, 122570), (2060, 106862), (2245, 98056), (2380, 92494), (2884, 76330), (3143, 70040), (3502, 62860), (3592, 61285), (3605, 61064), (4120, 53431), (4490, 49028), (4760, 46247), (5768, 38165), (6286, 35020), (7004, 31430), (7210, 30532), (7633, 28840), (8755, 25144), (8980, 24514), (12257, 17960), (12572, 17510), (14008, 15715), (14420, 15266)]