208164220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 496419840

約数和(自身を除く): 288255620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 107, 110, 148, 185, 214, 220, 239, 370, 407, 428, 478, 535, 740, 814, 956, 1070, 1177, 1195, 1628, 2035, 2140, 2354, 2390, 2629, 3959, 4070, 4708, 4780, 5258, 5885, 7918, 8140, 8843, 10516, 11770, 13145, 15836, 17686, 19795, 23540, 25573, 26290, 35372, 39590, 43549, 44215, 51146, 52580, 79180, 87098, 88430, 97273, 102292, 127865, 174196, 176860, 194546, 217745, 255730, 281303, 389092, 435490, 486365, 511460, 562606, 870980, 946201, 972730, 1125212, 1406515, 1892402, 1945460, 2813030, 3784804, 4731005, 5626060, 9462010, 10408211, 18924020, 20816422, 41632844, 52041055, 104082110, 208164220]

約数ペア:

[(1, 208164220), (2, 104082110), (4, 52041055), (5, 41632844), (10, 20816422), (11, 18924020), (20, 10408211), (22, 9462010), (37, 5626060), (44, 4731005), (55, 3784804), (74, 2813030), (107, 1945460), (110, 1892402), (148, 1406515), (185, 1125212), (214, 972730), (220, 946201), (239, 870980), (370, 562606), (407, 511460), (428, 486365), (478, 435490), (535, 389092), (740, 281303), (814, 255730), (956, 217745), (1070, 194546), (1177, 176860), (1195, 174196), (1628, 127865), (2035, 102292), (2140, 97273), (2354, 88430), (2390, 87098), (2629, 79180), (3959, 52580), (4070, 51146), (4708, 44215), (4780, 43549), (5258, 39590), (5885, 35372), (7918, 26290), (8140, 25573), (8843, 23540), (10516, 19795), (11770, 17686), (13145, 15836)]