217686040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2003}}^1$

素因数の和:2057

約数の個数: 128

約数和(自身を含む): 606009600

約数和(自身を除く): 388323560

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 44, 52, 55, 65, 76, 88, 95, 104, 110, 130, 143, 152, 190, 209, 220, 247, 260, 286, 380, 418, 440, 494, 520, 572, 715, 760, 836, 988, 1045, 1144, 1235, 1430, 1672, 1976, 2003, 2090, 2470, 2717, 2860, 4006, 4180, 4940, 5434, 5720, 8012, 8360, 9880, 10015, 10868, 13585, 16024, 20030, 21736, 22033, 26039, 27170, 38057, 40060, 44066, 52078, 54340, 76114, 80120, 88132, 104156, 108680, 110165, 130195, 152228, 176264, 190285, 208312, 220330, 260390, 286429, 304456, 380570, 418627, 440660, 494741, 520780, 572858, 761140, 837254, 881320, 989482, 1041560, 1145716, 1432145, 1522280, 1674508, 1978964, 2093135, 2291432, 2473705, 2864290, 3349016, 3957928, 4186270, 4947410, 5442151, 5728580, 8372540, 9894820, 10884302, 11457160, 16745080, 19789640, 21768604, 27210755, 43537208, 54421510, 108843020, 217686040]

約数ペア:

[(1, 217686040), (2, 108843020), (4, 54421510), (5, 43537208), (8, 27210755), (10, 21768604), (11, 19789640), (13, 16745080), (19, 11457160), (20, 10884302), (22, 9894820), (26, 8372540), (38, 5728580), (40, 5442151), (44, 4947410), (52, 4186270), (55, 3957928), (65, 3349016), (76, 2864290), (88, 2473705), (95, 2291432), (104, 2093135), (110, 1978964), (130, 1674508), (143, 1522280), (152, 1432145), (190, 1145716), (209, 1041560), (220, 989482), (247, 881320), (260, 837254), (286, 761140), (380, 572858), (418, 520780), (440, 494741), (494, 440660), (520, 418627), (572, 380570), (715, 304456), (760, 286429), (836, 260390), (988, 220330), (1045, 208312), (1144, 190285), (1235, 176264), (1430, 152228), (1672, 130195), (1976, 110165), (2003, 108680), (2090, 104156), (2470, 88132), (2717, 80120), (2860, 76114), (4006, 54340), (4180, 52078), (4940, 44066), (5434, 40060), (5720, 38057), (8012, 27170), (8360, 26039), (9880, 22033), (10015, 21736), (10868, 20030), (13585, 16024)]